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Round|Lab Grown|IGI

3.10ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG789606952

Shape and cutting style on the report: Round brilliant

Certificate IGI LG789606952

Diamond specifications and retailer prices

From $574 AUD
As of November 5, 2026
Save $3,597 AUD (86%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $4,171 AUD at Brilliant Earth · As of November 5, 2026
View at Brilliant Earth

About this 3.1ct lab-grown round diamond

This 3.1ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG789606952 or 789606952. Listed at 11 retailers as of November 5, 2026, with prices from $574 to $4,171, a $3,597 spread on the same certified stone. Brilliant Earth lists it at $4,171. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.10
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG789606952
Dimensions9.51 × 9.47 × 5.61 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
9.51 mm9.47 mm3.10 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG789606952
Side View
Table 61.0%Crown 32.6°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 59.1%

Caratlytics Score

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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: Nov 5
Current: $4,171 AUD|Low: $549 AUD|High: $7,085 AUD|Avg: $2,204 AUD|-41.1%
Brilliant Earth
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
November 5, 2026
Retailer 10$574 AUD
Retailer 8$644 AUD
Retailer 2$946 AUD
Retailer 11$1,090 AUD
Retailer 4$1,167 AUD
Retailer 3$1,227 AUD
Retailer 13$1,906 AUD
Retailer 12$1,907 AUD
Retailer 7$2,291 AUD
Retailer 5$2,351 AUD
Retailer 6$2,418 AUD
Retailer 14$2,748 AUD
Retailer 9$2,777 AUD
Brilliant Earth$4,171 AUD

31 data points across 14 retailers

11 retailers$574 AUD to $4,171 AUD

A
Cheapest Retailer
-
$574 AUD
A
Retailer 2
-
$644 AUD
View
A
Retailer 3
-
$946 AUD
View
Retailer 4
-
$1,090 AUD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$1,227 AUD
View
B+
Retailer 6
-
$1,906 AUD
View
B
Retailer 7
-
$1,907 AUD
View
B+
Retailer 8
-
$2,291 AUD
View
Retailer 9
-
$2,748 AUD
View
Price last confirmed 24 days ago
B
Retailer 10
-
$2,777 AUD
View
Most Expensive
B
Brilliant Earth
20805177A · Nov 5
$4,171 AUD
$2,920 USD
View
10 more retailers have this diamond
Prices start from $574 AUDSave up to $3,597 AUD

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
3.10ct Round
$574 AUD