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Round|Lab Grown|IGI

3.61ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG729590185

Certificate IGI LG729590185

Diamond specifications and retailer prices

From $1,301 USD
Save $18,389 USD (93%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $19,690 USD at Brilliant Earth
View at Brilliant Earth

About this 3.61ct lab-grown round diamond

This 3.61ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG729590185 or 729590185. Listed at 27 retailers, with prices from $1,301 to $19,690 at Brilliant Earth, a $18,389 spread on the same certified stone. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.61
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729590185
Dimensions9.78 × 9.83 × 6.09 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.78 mm9.83 mm3.61 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729590185
Side View
Table 56.0%Crown 35.2°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.1%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 28
Current: $1,456 USD|Low: $1,039 USD|High: $11,550 USD|Avg: $2,542 USD|+33.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
October 1, 2026
Retailer 9$1,301 USD
Retailer 5$1,416 USD
Retailer 1$1,456 USD
Retailer 8$1,488 USD
Retailer 17$1,761 USD
Retailer 13$1,813 USD
Retailer 16$2,131 USD
Retailer 15$2,260 USD
Retailer 11$2,390 USD
Retailer 6$2,829 USD
Retailer 7$2,953 USD
Retailer 2$3,412 USD
Retailer 18$3,441 USD
Retailer 10$3,923 USD
Retailer 12$4,907 USD
Retailer 4$5,333 USD
Retailer 14$6,285 USD
Retailer 3$11,550 USD

38 data points across 18 retailers

27 retailers$1,301 USD to $19,690 USD

A
Cheapest Retailer
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$1,301 USD
A
Retailer 2
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$1,416 USD
View
Price last confirmed 7 days ago
A
Retailer 3
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$1,456 USD
View
A
Retailer 4
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$1,488 USD
View
A
Retailer 5
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$1,761 USD
View
A
Retailer 6
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$1,813 USD
£1,427 GBP
View
A
Retailer 7
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$1,834 USD
View
A
Retailer 8
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$1,843 USD
HK$14,400 HKD
View
A
Retailer 9
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$2,134 USD
£1,680 GBP
View
A
Retailer 10
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$2,260 USD
View
A
Retailer 11
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$2,390 USD
€2,276 EUR
View
A
Retailer 12
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$2,813 USD
View
A
Retailer 13
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$2,829 USD
View
A
Retailer 14
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$2,953 USD
View
A
Retailer 15
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$3,412 USD
A$5,249 AUD
View
A
Retailer 16
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$3,441 USD
ZAR 55,589 ZAR
View
B+
Retailer 17
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$3,923 USD
View
B+
Retailer 18
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$4,659 USD
View
B+
Retailer 19
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$4,707 USD
View
B+
Retailer 20
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$4,907 USD
£3,864 GBP
View
B+
Retailer 21
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$5,300 USD
View
B+
Retailer 22
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$5,333 USD
SGD 7,207 SGD
View
B+
Retailer 23
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$5,794 USD
View
B+
Retailer 24
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$5,900 USD
View
Price last confirmed 22 days ago
B+
Retailer 25
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$6,285 USD
A$9,669 AUD
View
B
Retailer 26
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$11,550 USD
View
Most Expensive
B
Brilliant Earth
15743809A · Sep 29
$19,690 USD
View
26 more retailers have this diamond
Prices start from $1,301 USDSave up to $18,389 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing.

A
3.61ct Round
$1,301 USD