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Round|Lab Grown|UNKNOWN

0.43ct D SI2 Round Lab Grown Diamond

EX • D/SI2 • UNKNOWN 3516081608

Certificate UNKNOWN 3516081608

Diamond specifications and retailer prices

From £175 GBP
As of November 5, 2026
Save £523 GBP (75%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £698 GBP at NZ Jewellers · As of November 5, 2026
View at NZ Jewellers

About this 0.43ct lab-grown round diamond

This 0.43ct lab-grown round sits in the sub-half-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by UNKNOWN 3516081608. Listed at 5 retailers as of November 5, 2026, with prices from £175 to £698, a £523 spread on the same certified stone. NZ Jewellers lists it at £698. 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

0.43
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
OriginLab Grown
Grading LabUNKNOWN
CertificateUNKNOWN 3516081608
Dimensions4.89 × 4.85 × 2.94 mm
L/W Ratio1.01
Top View
4.89 mm4.85 mm0.43 ctD / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateUNKNOWN 3516081608
Side View
Table 57.7%CrownGirdlePavilionCuletDepth 60.2%

Caratlytics Score

How it works →
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: £175 GBP|Low: £168 GBP|High: £368 GBP|Avg: £244 GBP|+4.4%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
October 10, 2026
Retailer 1£175 GBP
Retailer 4£204 GBP
Retailer 2£217 GBP
Retailer 3£368 GBP

4 data points across 4 retailers

5 retailers£175 GBP to £698 GBP

A
Cheapest Retailer
-
£175 GBP
B+
Retailer 2
-
£204 GBP
View
B+
Retailer 3
-
£217 GBP
View
B
Retailer 4
-
£368 GBP
View
Most Expensive
C
NZ Jewellers
74f98f17-97ad-430b-86f1-e35383944c4c · Nov 5
£698 GBP
$940 USD
View
4 more retailers have this diamond
Prices start from £175 GBPSave up to £523 GBP

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
0.43ct Round
£175 GBP