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Round|Lab Grown|IGI

3.73ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG598350666

Certificate IGI LG598350666

Diamond specifications and retailer prices

From $1,217 USD
Save $10,943 USD (90%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $12,160 USD at Brilliant Earth
View at Brilliant Earth

About this 3.73ct lab-grown round diamond

This 3.73ct 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 LG598350666 or 598350666. Listed at 26 retailers, with prices from $1,217 to $12,160 at Brilliant Earth, a $10,943 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

3.73
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG598350666
Dimensions9.91 × 9.94 × 6.14 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
9.91 mm9.94 mm3.73 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG598350666
Side View
Table 57.0%Crown 35.1°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.9%

Caratlytics Score

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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 29
Current: $12,160 USD|Low: $1,024 USD|High: $12,160 USD|Avg: $3,857 USD
Brilliant Earth
Retailer 2
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Retailer 26
October 1, 2026
Retailer 10$1,217 USD
Retailer 6$1,324 USD
Retailer 9$1,392 USD
Retailer 26$1,566 USD
Retailer 5$1,686 USD
Retailer 13$1,872 USD
Retailer 12$1,892 USD
Retailer 17$1,971 USD
Retailer 22$2,199 USD
Retailer 21$2,335 USD
Retailer 8$2,396 USD
Retailer 2$2,468 USD
Retailer 15$2,705 USD
Retailer 7$2,921 USD
Retailer 11$2,982 USD
Retailer 25$3,523 USD
Retailer 24$3,553 USD
Retailer 14$4,358 USD
Retailer 19$4,393 USD
Retailer 23$5,067 USD
Retailer 18$5,526 USD
Retailer 4$5,705 USD
Retailer 20$6,492 USD
Retailer 16$10,810 USD
Retailer 3$11,474 USD
Brilliant Earth$12,160 USD

37 data points across 26 retailers

26 retailers$1,217 USD to $12,160 USD

A
Cheapest Retailer
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$1,217 USD
A
Retailer 2
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$1,324 USD
View
Price last confirmed 7 days ago
A
Retailer 3
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$1,392 USD
View
A
Retailer 4
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$1,566 USD
View
A
Retailer 5
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$1,686 USD
View
A
Retailer 6
-
$1,872 USD
£1,474 GBP
View
A
Retailer 7
-
$1,892 USD
View
A
Retailer 8
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$1,971 USD
HK$15,400 HKD
View
A
Retailer 9
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$2,204 USD
£1,736 GBP
View
A
Retailer 10
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$2,335 USD
View
A
Retailer 11
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$2,396 USD
View
A
Retailer 12
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$2,468 USD
€2,350 EUR
View
A
Retailer 13
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$2,705 USD
View
A
Retailer 14
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$2,921 USD
View
A
Retailer 15
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$2,982 USD
A$4,588 AUD
View
A
Retailer 16
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$3,523 USD
A$5,420 AUD
View
A
Retailer 17
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$3,553 USD
ZAR 57,397 ZAR
View
B+
Retailer 18
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$4,358 USD
View
B+
Retailer 19
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$4,393 USD
View
B+
Retailer 20
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$5,067 USD
£3,990 GBP
View
B+
Retailer 21
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$5,526 USD
View
B+
Retailer 22
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$5,705 USD
SGD 7,710 SGD
View
B+
Retailer 23
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$6,492 USD
A$9,988 AUD
View
B
Retailer 24
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$10,810 USD
View
B
Retailer 25
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$11,474 USD
View
Most Expensive
B
Brilliant Earth
8192992Y · Sep 29
$12,160 USD
View
25 more retailers have this diamond
Prices start from $1,217 USDSave up to $10,943 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
3.73ct Round
$1,217 USD