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Round|Lab Grown|GIA

0.40ct F SI2 Round Lab Grown Diamond

EX • F/SI2 • GIA 6137982392

Certificate GIA 6137982392

Diamond specifications and retailer prices

From $729 NZD
$410 USD
As of November 1, 2026
Save $1,499 NZD (67%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: $2,228 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 0.4ct lab-grown round diamond

This 0.4ct lab-grown round sits in the sub-half-carat band, graded F colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6137982392. Listed at 6 retailers as of November 1, 2026, with prices from $729 to $2,228, a $1,499 spread on the same certified stone. MOH London lists it at $2,228. 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

0.40
Carat
F
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 6137982392
Dimensions4.70 × 4.68 × 2.94 mm
L/W Ratio1.00
Top View
4.70 mm4.68 mm0.40 ctF / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6137982392
Side View
Table 58.0%CrownGirdle: MED-STKPavilionCulet: NoneDepth 62.7%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: $2,228 NZD|Low: $729 NZD|High: $2,241 NZD|Avg: $1,225 NZD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 2, 2026
Retailer 4$729 NZD
Retailer 6$887 NZD
Retailer 5$1,065 NZD
Retailer 7$1,191 NZD
Retailer 2$1,212 NZD
Retailer 3$1,299 NZD
MOH London$2,228 NZD

20 data points across 7 retailers

6 retailers$729 NZD to $2,228 NZD

B+
Cheapest Retailer
-
$729 NZD
$410 USD
B+
Retailer 2
-
$887 NZD
HK$3,900 HKD
View
B
Retailer 3
-
$1,065 NZD
$599 USD
View
B
Retailer 4
-
$1,212 NZD
£537 GBP
View
B
Retailer 5
-
$1,299 NZD
€696 EUR
View
Most Expensive
B
MOH London
D5FCCFC0A · Nov 1
$2,228 NZD
£987 GBP
View
5 more retailers have this diamond
Prices start from $729 NZDSave up to $1,499 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+
0.40ct Round
$729 NZD