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Radiant|Lab Grown|IGI

3.10ct D IF Radiant Lab Grown Diamond

ID • D/IF • IGI LG729590176

Certificate IGI LG729590176

Diamond specifications and retailer prices

From $1,467 USD
Save $10,843 USD (88%) vs most expensive(unlock to see where)
27 retailers carry this diamond
Most expensive: $12,310 USD at Brilliant Earth
View at Brilliant Earth

About this 3.1ct lab-grown radiant diamond

This 3.1ct lab-grown radiant 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 LG729590176 or 729590176. Listed at 27 retailers, with prices from $1,467 to $12,310 at Brilliant Earth, a $10,843 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

3.10
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle41°
Pavilion angle33.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729590176
Dimensions10.21 × 7.39 × 4.79 mm
L/W Ratio1.38
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
10.21 mm7.39 mm3.10 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729590176
Side View
Table 64.0%Crown 41°Girdle: Slightly ThickPavilion 33.7°Culet: NoneDepth 64.8%

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 30
Current: $12,310 USD|Low: $1,172 USD|High: $12,310 USD|Avg: $4,096 USD
Brilliant Earth
Retailer 2
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Retailer 26
October 1, 2026
Retailer 23$1,467 USD
Retailer 6$1,596 USD
Retailer 13$1,642 USD
Retailer 9$1,678 USD
Retailer 7$1,870 USD
Retailer 11$1,917 USD
Retailer 18$2,066 USD
Retailer 22$2,074 USD
Retailer 24$2,459 USD
Retailer 8$2,678 USD
Retailer 25$3,087 USD
Retailer 14$3,114 USD
Retailer 21$3,189 USD
Retailer 4$3,845 USD
Retailer 3$3,878 USD
Retailer 15$4,115 USD
Retailer 16$4,433 USD
Retailer 26$4,917 USD
Retailer 12$4,955 USD
Retailer 19$5,235 USD
Retailer 2$5,563 USD
Retailer 5$5,845 USD
Retailer 10$6,008 USD
Retailer 17$6,416 USD
Retailer 20$6,893 USD
Brilliant Earth$12,310 USD

40 data points across 26 retailers

27 retailers$1,467 USD to $12,310 USD

A
Cheapest Retailer
-
$1,467 USD
A
Retailer 2
-
$1,596 USD
View
Retailer 3
-
$1,642 USD
View
A
Retailer 4
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$1,678 USD
View
A
Retailer 5
-
$1,870 USD
View
A
Retailer 6
-
$1,917 USD
View
A
Retailer 7
-
$2,066 USD
View
A
Retailer 8
-
$2,074 USD
HK$16,200 HKD
View
A
Retailer 9
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$2,413 USD
£1,900 GBP
View
Price last confirmed 21 days ago
A
Retailer 10
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$2,465 USD
£1,941 GBP
View
A
Retailer 11
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$2,678 USD
€2,550 EUR
View
A
Retailer 12
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$3,087 USD
View
A
Retailer 13
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$3,114 USD
View
Retailer 14
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$3,189 USD
View
A
Retailer 15
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$3,845 USD
A$5,916 AUD
View
A
Retailer 16
-
$3,878 USD
ZAR 62,656 ZAR
View
B+
Retailer 17
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$4,115 USD
£3,240 GBP
View
B+
Retailer 18
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$4,433 USD
View
B+
Retailer 19
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$4,917 USD
£3,872 GBP
View
B+
Retailer 20
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$4,955 USD
View
B+
Retailer 21
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$5,235 USD
View
B+
Retailer 22
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$5,563 USD
View
B+
Retailer 23
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$5,845 USD
View
B+
Retailer 24
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$6,008 USD
SGD 8,119 SGD
View
B+
Retailer 25
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$6,547 USD
View
B+
Retailer 26
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$6,893 USD
A$10,604 AUD
View
Most Expensive
B
Brilliant Earth
15743905A · Sep 29
$12,310 USD
View
26 more retailers have this diamond
Prices start from $1,467 USDSave up to $10,843 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
3.10ct Radiant
$1,467 USD