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Round|Lab Grown|UNKNOWN

0.40ct F SI2 Round Lab Grown Diamond

EX • F/SI2 • UNKNOWN 35109109

Certificate UNKNOWN 35109109

Diamond specifications and retailer prices

From $350 NZD
$197 USD
As of November 1, 2026
Save $1,047 NZD (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $1,397 NZD at NZ Jewellers · As of October 30, 2026
View at NZ Jewellers

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 UNKNOWN 35109109. Listed at 5 retailers as of October 30, 2026, with prices from $350 to $1,397, a $1,047 spread on the same certified stone. NZ Jewellers lists it at $1,397. 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 LabUNKNOWN
CertificateUNKNOWN 35109109
Dimensions4.70 × 4.67 × 2.92 mm
L/W Ratio1.01
Top View
4.70 mm4.67 mm0.40 ctF / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateUNKNOWN 35109109
Side View
Table 57.7%CrownGirdlePavilionCuletDepth 62.3%

Caratlytics Score

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

Price History

Last verified: Nov 1
Current: $350 NZD|Low: $336 NZD|High: $757 NZD|Avg: $493 NZD|+4.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
October 10, 2026
Retailer 1$350 NZD
Retailer 4$407 NZD
Retailer 2$434 NZD
Retailer 3$757 NZD

4 data points across 4 retailers

5 retailers$350 NZD to $1,397 NZD

A
Cheapest Retailer
-
$350 NZD
$197 USD
B+
Retailer 2
-
$407 NZD
$229 USD
View
B+
Retailer 3
-
$434 NZD
$244 USD
View
B
Retailer 4
-
$757 NZD
$426 USD
View
Most Expensive
C
NZ Jewellers
e676ad71-6579-4af6-9c7a-bc47976eeccb · Oct 30
$1,397 NZD
$786 USD
View
4 more retailers have this diamond
Prices start from $350 NZDSave up to $1,047 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
0.40ct Round
$350 NZD