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Round|Lab Grown|IGI

3.10ct F SI1 Round Lab Grown Diamond

ID • F/SI1 • IGI LG627405088

Shape and cutting style on the report: Round brilliant

Certificate IGI LG627405088

Diamond specifications and retailer prices

From $2,231 NZD
As of November 5, 2026
Save $722 NZD (24%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $2,953 NZD at The Diamond Guys · As of November 6, 2026
View at The Diamond Guys

About this 3.1ct lab-grown round diamond

This 3.1ct lab-grown round sits in the three to five carat band, graded F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG627405088 or 627405088. Listed at 2 retailers as of November 5, 2026, with prices from $2,231 to $2,953, a $722 spread on the same certified stone. The Diamond Guys lists it at $2,953. 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
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG627405088
Dimensions9.36 × 9.28 × 5.75 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
9.36 mm9.28 mm3.10 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG627405088
Side View
Table 58.0%Crown 35.5°Girdle: MED-STKPavilion 40.9°Culet: NoneDepth 61.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $1,156 NZD|Low: $440 NZD|High: $5,358 NZD|Avg: $2,383 NZD|-24.6%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
The Diamond Guys
August 19, 2026
Retailer 10$455 NZD
Retailer 8$974 NZD
Retailer 1$1,156 NZD
Retailer 5$1,196 NZD
Retailer 13$1,495 NZD
Retailer 9$1,728 NZD
Retailer 6$1,732 NZD
Retailer 11$1,878 NZD
Retailer 7$1,923 NZD
Retailer 12$2,231 NZD
The Diamond Guys$2,953 NZD
Retailer 3$3,473 NZD
Retailer 2$4,708 NZD
Retailer 4$5,177 NZD

68 data points across 14 retailers

2 retailers$2,231 NZD to $2,953 NZD

B+
Cheapest Retailer
-
$2,231 NZD
Most Expensive
B
The Diamond Guys
1954434397 · Nov 6
$2,953 NZD
$1,637 USD
View
1 more retailer has this diamond
Prices start from $2,231 NZDSave up to $722 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.

B+
3.10ct Round
$2,231 NZD