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Round|Lab Grown|IGI

3.09ct G IF Round Lab Grown Diamond

ID • G/IF • IGI LG761511058

Shape and cutting style on the report: Round brilliant

Certificate IGI LG761511058

Diamond specifications and retailer prices

From $637 USD
As of October 29, 2026
Save $2,494 USD (80%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $3,945 USD at Rare Carat · As of October 18, 2026
View at Rare Carat

About this 3.09ct lab-grown round diamond

This 3.09ct lab-grown round sits in the three to five carat band, graded G colour (near-colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG761511058 or 761511058. Listed at 18 retailers as of October 29, 2026, with a 391% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.09
Carat
G
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG761511058
Dimensions9.38 × 9.34 × 5.76 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.38 mm9.34 mm3.09 ctG / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG761511058
Side View
Table 57.0%Crown 34.5°Girdle: MediumPavilion 41.1°Culet: NoneDepth 61.5%

Caratlytics Score

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

Price History

Last verified: Oct 29
Current: $3,945 USD|Low: $612 USD|High: $3,985 USD|Avg: $1,610 USD|-1.0%
Rare Carat
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
November 1, 2026
Retailer 3$637 USD
Retailer 6$693 USD
Retailer 4$739 USD
Retailer 12$915 USD
Retailer 2$924 USD
Retailer 14$1,070 USD
Retailer 5$1,122 USD
Retailer 8$1,177 USD
Retailer 9$1,670 USD
Retailer 11$1,717 USD
Retailer 13$1,888 USD
Retailer 7$2,079 USD
Retailer 15$2,522 USD
Retailer 10$3,131 USD
Rare Carat$3,945 USD

44 data points across 15 retailers

18 retailers$637 USD to $3,131 USD

A
Cheapest Retailer
-
$637 USD
A
Retailer 2
-
$693 USD
View
Retailer 3
-
$739 USD
View
Price last confirmed 16 days ago
A
Retailer 4
-
$739 USD
View
A
Retailer 5
-
$915 USD
View
A
Retailer 6
-
$924 USD
£727 GBP
View
A
Retailer 7
-
$1,070 USD
View
A
Retailer 8
-
$1,122 USD
View
A
Retailer 9
-
$1,177 USD
£927 GBP
View
A
Retailer 10
-
$1,670 USD
A$2,569 AUD
View
A
Retailer 11
-
$1,717 USD
ZAR 27,732 ZAR
View
B+
Retailer 12
-
$1,888 USD
View
B+
Retailer 13
-
$2,079 USD
View
B+
Retailer 14
-
$2,369 USD
View
B+
Retailer 15
-
$2,522 USD
View
B+
Retailer 16
-
$2,551 USD
View
B+
Retailer 17
-
$3,131 USD
£2,465 GBP
View
Most Expensive
Rare Carat
112342 · Oct 18
$3,945 USD
View
Price last confirmed 14 days ago
17 more retailers have this diamond
Prices start from $637 USDSave up to $2,494 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. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.09ct Round
$637 USD