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 $232 USD
As of October 29, 2026
Save $1,065 USD (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,297 USD at Reve Diamonds · As of October 30, 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 October 29, 2026, with prices from $232 to $1,297, a $1,065 spread on the same certified stone. Reve Diamonds lists it at $1,297. 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
Color
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: Oct 29
Current: $451 USD|Low: $232 USD|High: $1,299 USD|Avg: $571 USD|-10.6%
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
October 30, 2026
Retailer 4$232 USD
Retailer 2$259 USD
Retailer 15$270 USD
Retailer 14$288 USD
Retailer 7$320 USD
Retailer 1$451 USD
Retailer 10$488 USD
Retailer 12$504 USD
Retailer 6$515 USD
Retailer 8$543 USD
Retailer 9$620 USD
Retailer 13$927 USD
Retailer 11$930 USD
Retailer 5$979 USD
Retailer 3$1,285 USD
Reve Diamonds$1,297 USD

40 data points across 16 retailers

16 retailers$232 USD to $1,297 USD

A
Cheapest Retailer
-
$232 USD
A
Retailer 2
-
$259 USD
View
Final sale: no returns
A
Retailer 3
-
$270 USD
View
A
Retailer 4
-
$288 USD
View
A
Retailer 5
-
$320 USD
View
A
Retailer 6
-
$451 USD
£355 GBP
View
A
Retailer 7
-
$488 USD
View
A
Retailer 8
-
$504 USD
View
A
Retailer 9
-
$515 USD
View
A
Retailer 10
-
$543 USD
£427 GBP
View
B+
Retailer 11
-
$620 USD
View
B+
Retailer 12
-
$927 USD
View
B+
Retailer 13
-
$930 USD
View
B
Retailer 14
-
$979 USD
View
B
Retailer 15
-
$1,285 USD
£1,012 GBP
View
Most Expensive
B
Reve Diamonds
716FAEB91 · Oct 30
$1,297 USD
View
15 more retailers have this diamond
Prices start from $232 USDSave up to $1,065 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
1.62ct Round
$232 USD