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Round|Lab Grown|GIA

1.62ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • GIA 6452869709

Certificate GIA 6452869709

Diamond specifications and retailer prices

From £477 GBP
$639 USD
As of October 30, 2026
Save £935 GBP (66%) vs most expensive(unlock to see where)
8 retailers carry this diamond
Most expensive: £1,412 GBP at MOH London · As of October 28, 2026
View at MOH London

About this 1.62ct lab-grown round diamond

This 1.62ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6452869709. Listed at 8 retailers as of October 28, 2026, with prices from £477 to £1,412, a £935 spread on the same certified stone. MOH London lists it at £1,412. 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

1.62
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 6452869709
Dimensions7.54 × 7.52 × 4.65 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
7.54 mm7.52 mm1.62 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6452869709
Side View
Table 57.0%Crown 34.5°Girdle: ThickPavilion 40.8°Culet: NoneDepth 61.7%

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: Oct 30
Current: £1,412 GBP|Low: £477 GBP|High: £1,445 GBP|Avg: £738 GBP|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 6£477 GBP
Retailer 5£546 GBP
Retailer 4£573 GBP
Retailer 3£579 GBP
Retailer 2£592 GBP
Retailer 8£740 GBP
Retailer 7£1,188 GBP
MOH London£1,412 GBP

41 data points across 8 retailers

8 retailers£477 GBP to £1,412 GBP

A
Cheapest Retailer
-
£477 GBP
$639 USD
B+
Retailer 2
-
£546 GBP
$732 USD
View
B+
Retailer 3
-
£573 GBP
$768 USD
View
B+
Retailer 4
-
£579 GBP
€739 EUR
View
B+
Retailer 5
-
£592 GBP
View
Retailer 6
-
£740 GBP
$991 USD
View
Price last confirmed 96 days ago
B
Retailer 7
-
£1,188 GBP
$1,592 USD
View
Most Expensive
B
MOH London
6452869709 · Oct 26
£1,412 GBP
View
7 more retailers have this diamond
Prices start from £477 GBPSave up to £935 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
1.62ct Round
£477 GBP