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Round|Lab Grown|IGI

1.62ct D SI1 Round Lab Grown Diamond

ID • D/SI1 • IGI LG631444200

Shape and cutting style on the report: Round brilliant

Certificate IGI LG631444200

Diamond specifications and retailer prices

From $412 NZD
$232 USD
As of November 1, 2026
Save $1,890 NZD (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $2,302 NZD at Reve Diamonds · As of November 1, 2026
View at Reve Diamonds

About this 1.62ct lab-grown round diamond

This 1.62ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG631444200 or 631444200. Listed at 16 retailers as of November 1, 2026, with prices from $412 to $2,302, a $1,890 spread on the same certified stone. Reve Diamonds lists it at $2,302. 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

1.62
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG631444200
Dimensions7.67 × 7.65 × 4.59 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.67 mm7.65 mm1.62 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG631444200
Side View
Table 57.0%Crown 33°Girdle: MediumPavilion 40.8°Culet: NoneDepth 59.9%

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: Nov 1
Current: $2,051 NZD|Low: $412 NZD|High: $2,305 NZD|Avg: $1,022 NZD|-10.0%
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
Retailer 15
Reve Diamonds
November 1, 2026
Retailer 4$412 NZD
Retailer 3$460 NZD
Retailer 2$479 NZD
Retailer 15$511 NZD
Retailer 7$568 NZD
Retailer 8$797 NZD
Retailer 11$866 NZD
Retailer 13$894 NZD
Retailer 6$914 NZD
Retailer 9$955 NZD
Retailer 10$1,100 NZD
Retailer 14$1,645 NZD
Retailer 12$1,650 NZD
Retailer 5$1,737 NZD
Retailer 1$2,051 NZD
Reve Diamonds$2,302 NZD

41 data points across 16 retailers

16 retailers$412 NZD to $2,302 NZD

A
Cheapest Retailer
-
$412 NZD
$232 USD
A
Retailer 2
-
$460 NZD
$259 USD
View
Final sale: no returns
A
Retailer 3
-
$479 NZD
$270 USD
View
A
Retailer 4
-
$511 NZD
$288 USD
View
Retailer 5
-
$568 NZD
$320 USD
View
Price last confirmed 7 days ago
A
Retailer 6
-
$797 NZD
£354 GBP
View
A
Retailer 7
-
$866 NZD
$488 USD
View
A
Retailer 8
-
$894 NZD
$504 USD
View
Retailer 9
-
$914 NZD
$515 USD
View
Price last confirmed 5 days ago
A
Retailer 10
-
$955 NZD
£424 GBP
View
B+
Retailer 11
-
$1,100 NZD
$620 USD
View
B+
Retailer 12
-
$1,645 NZD
$927 USD
View
B+
Retailer 13
-
$1,650 NZD
$930 USD
View
B
Retailer 14
-
$1,737 NZD
$979 USD
View
B
Retailer 15
-
$2,051 NZD
£910 GBP
View
Most Expensive
B
Reve Diamonds
716FAEB91 · Nov 1
$2,302 NZD
$1,297 USD
View
15 more retailers have this diamond
Prices start from $412 NZDSave up to $1,890 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
1.62ct Round
$412 NZD