Round|Lab Grown|GIA

1.17ct D SI2 Round Lab Grown Diamond

EX • D/SI2 • GIA 6452869992

Certificate GIA 6452869992

Diamond specifications and retailer prices

From £396 GBP
As of November 4, 2026
Save £552 GBP (58%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £948 GBP at MOH London · As of November 5, 2026
View at MOH London

About this 1.17ct lab-grown round diamond

This 1.17ct lab-grown round sits in the classic one-carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by GIA 6452869992. Listed at 6 retailers as of November 4, 2026, with prices from £396 to £948, a £552 spread on the same certified stone. MOH London lists it at £948. 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

1.17
Carat
D
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginLab Grown
Grading LabGIA
CertificateGIA 6452869992
Dimensions6.76 × 6.73 × 4.18 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
6.76 mm6.73 mm1.17 ctD / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 6452869992
Side View
Table 56.0%Crown 35°Girdle: ThickPavilion 40.8°Culet: NoneDepth 62.0%

Caratlytics Score

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B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 4
Current: £948 GBP|Low: £337 GBP|High: £962 GBP|Avg: £472 GBP|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
November 6, 2026
Retailer 3£375 GBP
Retailer 7£385 GBP
Retailer 4£396 GBP
Retailer 6£402 GBP
Retailer 2£404 GBP
Retailer 5£423 GBP
MOH London£948 GBP

42 data points across 7 retailers

6 retailers£396 GBP to £948 GBP

Retailer 1
-
£375 GBP
Price last confirmed 19 days ago
B+
Retailer 2
-
£396 GBP
View
B+
Retailer 3
-
£402 GBP
View
B+
Retailer 4
-
£404 GBP
View
B+
Retailer 5
-
£423 GBP
View
Most Expensive
B
MOH London
6452869992 · Nov 5
£948 GBP
View
5 more retailers have this diamond
Prices start from £396 GBPSave up to £552 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+
1.17ct Round
£396 GBP