CaratHunter
Plans
Round|Lab Grown|GIA

0.90ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • GIA 5456791414

Certificate GIA 5456791414

Diamond specifications and retailer prices

From £158 GBP
$211 USD
As of October 29, 2026
Save £634 GBP (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: £793 GBP at MOH London · As of October 29, 2026
View at MOH London

About this 0.9ct lab-grown round diamond

This 0.9ct lab-grown round sits in the just-under-one-carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by GIA 5456791414. Listed at 15 retailers as of October 29, 2026, with prices from £158 to £793, a £634 spread on the same certified stone. MOH London lists it at £793. 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

0.90
Carat
D
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.6°
OriginLab Grown
Grading LabGIA
CertificateGIA 5456791414
Dimensions6.24 × 6.19 × 3.79 mm
L/W Ratio1.01
Star length50%
Lower girdle80%
Top View
6.24 mm6.19 mm0.90 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 5456791414
Side View
Table 58.0%Crown 35.5°Girdle: MediumPavilion 40.6°Culet: NoneDepth 61.0%

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 29
Current: £793 GBP|Low: £152 GBP|High: £798 GBP|Avg: £339 GBP|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 8£158 GBP
Retailer 11£178 GBP
Retailer 4£184 GBP
Retailer 10£197 GBP
Retailer 12£264 GBP
Retailer 7£300 GBP
Retailer 5£320 GBP
Retailer 2£327 GBP
Retailer 3£370 GBP
Retailer 9£503 GBP
Retailer 6£512 GBP
MOH London£793 GBP

43 data points across 12 retailers

15 retailers£158 GBP to £793 GBP

A
Cheapest Retailer
-
£158 GBP
$211 USD
A
Retailer 2
-
£178 GBP
$237 USD
View
Final sale: no returns
A
Retailer 3
-
£184 GBP
$245 USD
View
A
Retailer 4
-
£197 GBP
$262 USD
View
A
Retailer 5
-
£197 GBP
$262 USD
View
A
Retailer 6
-
£250 GBP
$333 USD
View
A
Retailer 7
-
£264 GBP
$352 USD
View
B+
Retailer 8
-
£300 GBP
$400 USD
View
B+
Retailer 9
-
£320 GBP
€406 EUR
View
B+
Retailer 10
-
£327 GBP
View
B+
Retailer 11
-
£370 GBP
$493 USD
View
B
Retailer 12
-
£503 GBP
$670 USD
View
B
Retailer 13
-
£512 GBP
$682 USD
View
B
Retailer 14
-
£632 GBP
$842 USD
View
Most Expensive
B
MOH London
5456791414 · Oct 29
£793 GBP
View
14 more retailers have this diamond
Prices start from £158 GBPSave up to £634 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
0.90ct Round
£158 GBP