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0.90ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • IGI LG612341034

Shape and cutting style on the report: Round brilliant

Certificate IGI LG612341034

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)
19 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 LG612341034 or 612341034. Listed at 19 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 angle36.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG612341034
Dimensions6.13 × 6.06 × 3.85 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
6.13 mm6.06 mm0.90 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG612341034
Side View
Table 56.0%Crown 36.2°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.1%

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: $460 NZD|Low: $357 NZD|High: $1,866 NZD|Avg: $855 NZD
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
Retailer 14
October 31, 2026
Retailer 12$371 NZD
Retailer 9$429 NZD
Retailer 1$460 NZD
Retailer 5$460 NZD
Retailer 3$516 NZD
Retailer 13$727 NZD
Retailer 11$779 NZD
Retailer 4$791 NZD
Retailer 7$847 NZD
Retailer 6$869 NZD
Retailer 10$886 NZD
Retailer 8$1,478 NZD
Retailer 2$1,483 NZD
Retailer 14$1,852 NZD

39 data points across 14 retailers

19 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
Retailer 4
-
$460 NZD
$259 USD
View
Price last confirmed 19 days ago
A
Retailer 5
-
$460 NZD
$259 USD
View
A
Retailer 6
-
$516 NZD
$291 USD
View
A
Retailer 7
-
$522 NZD
HK$2,300 HKD
View
B+
Retailer 8
-
$727 NZD
$410 USD
View
B+
Retailer 9
-
$779 NZD
€418 EUR
View
B+
Retailer 10
-
$791 NZD
$446 USD
View
B+
Retailer 11
-
$847 NZD
£376 GBP
View
B
Retailer 12
-
$869 NZD
$490 USD
View
B+
Retailer 13
-
$886 NZD
£393 GBP
View
B
Retailer 14
-
$1,246 NZD
SGD 949 SGD
View
B
Retailer 15
-
$1,478 NZD
$833 USD
View
B
Retailer 16
-
$1,483 NZD
$836 USD
View
B
Retailer 17
-
$1,573 NZD
$886 USD
View
Retailer 18
-
$1,852 NZD
£822 GBP
View
Price last confirmed 10 days ago
Most Expensive
B
Reve Diamonds
461A4A6BD · Oct 30
$2,169 NZD
$1,222 USD
View
18 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