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 $211 USD
As of October 29, 2026
Save $844 USD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,055 USD 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 $211 to $1,055, a $844 spread on the same certified stone. MOH London lists it at $1,055. 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
Color
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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,055 USD|Low: $203 USD|High: $1,063 USD|Avg: $451 USD|+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 29, 2026
Retailer 8$211 USD
Retailer 11$237 USD
Retailer 4$245 USD
Retailer 10$262 USD
Retailer 12$352 USD
Retailer 7$400 USD
Retailer 5$426 USD
Retailer 2$435 USD
Retailer 3$493 USD
Retailer 9$670 USD
Retailer 6$682 USD
MOH London$1,055 USD

42 data points across 12 retailers

15 retailers$211 USD to $1,055 USD

A
Cheapest Retailer
-
$211 USD
A
Retailer 2
-
$237 USD
View
Final sale: no returns
A
Retailer 3
-
$245 USD
View
A
Retailer 4
-
$262 USD
View
A
Retailer 5
-
$262 USD
View
A
Retailer 6
-
$333 USD
View
A
Retailer 7
-
$352 USD
View
B+
Retailer 8
-
$400 USD
View
B+
Retailer 9
-
$426 USD
€406 EUR
View
B+
Retailer 10
-
$435 USD
£342 GBP
View
B+
Retailer 11
-
$493 USD
View
B
Retailer 12
-
$670 USD
View
B
Retailer 13
-
$682 USD
View
B
Retailer 14
-
$842 USD
View
Most Expensive
B
MOH London
5456791414 · Oct 29
$1,055 USD
£831 GBP
View
14 more retailers have this diamond
Prices start from $211 USDSave up to $844 USD

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
$211 USD