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Round|Lab Grown|GIA

0.71ct K SI2 Round Lab Grown Diamond

EX • K/SI2 • GIA 1236637394

Certificate GIA 1236637394

Diamond specifications and retailer prices

From £536 GBP
As of November 4, 2026
Save £736 GBP (58%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: £2,784 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 0.71ct lab-grown round diamond

This 0.71ct lab-grown round sits in the half to three-quarter carat band, graded K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 1236637394. Listed at 4 retailers as of November 4, 2026, with a 137% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

0.71
Carat
K
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
OriginLab Grown
Grading LabGIA
CertificateGIA 1236637394
Dimensions5.72 × 5.74 × 3.54 mm
L/W Ratio1.00
Top View
5.72 mm5.74 mm0.71 ctK / SI2
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateGIA 1236637394
Side View
Table 57.0%CrownGirdle: MediumPavilionCulet: NoneDepth 61.7%

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 4
Current: £2,784 GBP|Low: £536 GBP|High: £2,824 GBP|Avg: £1,194 GBP|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 6, 2026
Retailer 5£536 GBP
Retailer 3£854 GBP
Retailer 6£1,034 GBP
Retailer 4£1,089 GBP
Retailer 2£1,272 GBP
MOH London£2,784 GBP

28 data points across 6 retailers

4 retailers£536 GBP to £1,272 GBP

B+
Cheapest Retailer
-
£536 GBP
B
Retailer 2
-
£1,089 GBP
View
B
Retailer 3
-
£1,272 GBP
View
Most Expensive
MOH London
1236637394 · Nov 5
£2,784 GBP
View
Price under review
3 more retailers have this diamond
Prices start from £536 GBPSave up to £736 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.

B+
0.71ct Round
£536 GBP