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0.90ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • GIA 5456791414

Certificate GIA 5456791414

Diamond specifications and retailer prices

From $374 NZD
$211 USD
As of October 29, 2026
Save $1,498 NZD (80%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,873 NZD 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 $374 to $1,873, a $1,498 spread on the same certified stone. MOH London lists it at $1,873. 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: $1,873 NZD|Low: $360 NZD|High: $1,886 NZD|Avg: $802 NZD|+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$374 NZD
Retailer 11$421 NZD
Retailer 4$435 NZD
Retailer 10$465 NZD
Retailer 12$625 NZD
Retailer 7$710 NZD
Retailer 6$756 NZD
Retailer 5$774 NZD
Retailer 3$875 NZD
Retailer 2$1,134 NZD
Retailer 9$1,189 NZD
MOH London$1,873 NZD

42 data points across 12 retailers

15 retailers$374 NZD to $1,873 NZD

A
Cheapest Retailer
-
$374 NZD
$211 USD
A
Retailer 2
-
$421 NZD
$237 USD
View
Final sale: no returns
A
Retailer 3
-
$435 NZD
$245 USD
View
A
Retailer 4
-
$465 NZD
$262 USD
View
A
Retailer 5
-
$465 NZD
$262 USD
View
A
Retailer 6
-
$591 NZD
$333 USD
View
A
Retailer 7
-
$625 NZD
$352 USD
View
B+
Retailer 8
-
$710 NZD
$400 USD
View
B+
Retailer 9
-
$756 NZD
€406 EUR
View
B+
Retailer 10
-
$774 NZD
£343 GBP
View
B+
Retailer 11
-
$875 NZD
$493 USD
View
B
Retailer 12
-
$1,134 NZD
$639 USD
View
B
Retailer 13
-
$1,189 NZD
$670 USD
View
B
Retailer 14
-
$1,494 NZD
$842 USD
View
Most Expensive
B
MOH London
5456791414 · Oct 29
$1,873 NZD
£831 GBP
View
14 more retailers have this diamond
Prices start from $374 NZDSave up to $1,498 NZD

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
$374 NZD