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0.90ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG510193105

Shape and cutting style on the report: Round brilliant

Certificate IGI LG510193105

Diamond specifications and retailer prices

From $371 NZD
$209 USD
As of October 26, 2026
Save $1,798 NZD (83%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $2,169 NZD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 IGI LG510193105 or 510193105. Listed at 18 retailers as of October 26, 2026, with prices from $371 to $2,169, a $1,798 spread on the same certified stone. Reve Diamonds lists it at $2,169. 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 angle36.5°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG510193105
Dimensions6.14 × 6.18 × 3.84 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
6.14 mm6.18 mm0.90 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG510193105
Side View
Table 55.0%Crown 36.5°Girdle: MediumPavilion 40.2°Culet: NoneDepth 62.3%

Caratlytics Score

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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 26
Current: $775 NZD|Low: $357 NZD|High: $1,866 NZD|Avg: $868 NZD|+2.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
October 31, 2026
Retailer 11$371 NZD
Retailer 9$429 NZD
Retailer 3$460 NZD
Retailer 6$460 NZD
Retailer 2$516 NZD
Retailer 1$775 NZD
Retailer 4$791 NZD
Retailer 7$847 NZD
Retailer 5$869 NZD
Retailer 10$886 NZD
Retailer 8$1,478 NZD
Retailer 13$1,483 NZD
Retailer 12$1,852 NZD

41 data points across 13 retailers

18 retailers$371 NZD to $2,169 NZD

A
Cheapest Retailer
-
$371 NZD
$209 USD
A
Retailer 2
-
$415 NZD
$234 USD
View
Final sale: no returns
A
Retailer 3
-
$429 NZD
$242 USD
View
A
Retailer 4
-
$460 NZD
$259 USD
View
Retailer 5
-
$460 NZD
$259 USD
View
Price last confirmed 19 days ago
A
Retailer 6
-
$516 NZD
$291 USD
View
A
Retailer 7
-
$522 NZD
HK$2,300 HKD
View
B+
Retailer 8
-
$775 NZD
€416 EUR
View
B+
Retailer 9
-
$791 NZD
$446 USD
View
B+
Retailer 10
-
$847 NZD
£376 GBP
View
B
Retailer 11
-
$869 NZD
$490 USD
View
B+
Retailer 12
-
$886 NZD
£393 GBP
View
B
Retailer 13
-
$1,246 NZD
SGD 949 SGD
View
B
Retailer 14
-
$1,478 NZD
$833 USD
View
B
Retailer 15
-
$1,483 NZD
$836 USD
View
B
Retailer 16
-
$1,573 NZD
$886 USD
View
B
Retailer 17
-
$1,852 NZD
£822 GBP
View
Most Expensive
B
Reve Diamonds
073C2E15C · Oct 30
$2,169 NZD
$1,222 USD
View
17 more retailers have this diamond
Prices start from $371 NZDSave up to $1,798 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
$371 NZD