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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 $715 NZD
As of November 5, 2026
Save $4,479 NZD (86%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,194 NZD 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 $715 to $5,194, a $4,479 spread on the same certified stone. Brilliant Earth lists it at $5,194. 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: $5,194 NZD|Low: $683 NZD|High: $8,823 NZD|Avg: $2,728 NZD|-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 6, 2026
Retailer 10$715 NZD
Retailer 8$802 NZD
Retailer 2$1,178 NZD
Retailer 11$1,357 NZD
Retailer 4$1,453 NZD
Retailer 3$1,528 NZD
Retailer 13$2,373 NZD
Retailer 12$2,375 NZD
Retailer 7$2,853 NZD
Retailer 5$2,928 NZD
Retailer 6$3,012 NZD
Retailer 14$3,423 NZD
Retailer 9$3,458 NZD
Brilliant Earth$5,194 NZD

32 data points across 14 retailers

11 retailers$715 NZD to $5,194 NZD

A
Cheapest Retailer
-
$715 NZD
A
Retailer 2
-
$802 NZD
View
A
Retailer 3
-
$1,178 NZD
View
Retailer 4
-
$1,357 NZD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$1,528 NZD
View
B+
Retailer 6
-
$2,373 NZD
View
B
Retailer 7
-
$2,375 NZD
View
B+
Retailer 8
-
$2,853 NZD
View
Retailer 9
-
$3,423 NZD
View
Price last confirmed 24 days ago
B
Retailer 10
-
$3,458 NZD
View
Most Expensive
B
Brilliant Earth
20805177A · Nov 5
$5,194 NZD
$2,920 USD
View
10 more retailers have this diamond
Prices start from $715 NZDSave up to $4,479 NZD

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
$715 NZD