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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 $330 AUD
$232 USD
As of October 29, 2026
Save $1,516 AUD (82%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,847 AUD 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 $330 to $1,847, a $1,516 spread on the same certified stone. Reve Diamonds lists it at $1,847. 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

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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 29
Current: $772 AUD|Low: $330 AUD|High: $1,850 AUD|Avg: $815 AUD|-5.3%
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 31, 2026
Retailer 4$330 AUD
Retailer 2$369 AUD
Retailer 15$384 AUD
Retailer 14$410 AUD
Retailer 7$456 AUD
Retailer 8$641 AUD
Retailer 10$695 AUD
Retailer 12$717 AUD
Retailer 6$733 AUD
Retailer 1$772 AUD
Retailer 9$883 AUD
Retailer 13$1,320 AUD
Retailer 11$1,324 AUD
Retailer 5$1,394 AUD
Retailer 3$1,830 AUD
Reve Diamonds$1,847 AUD

41 data points across 16 retailers

16 retailers$330 AUD to $1,847 AUD

A
Cheapest Retailer
-
$330 AUD
$232 USD
A
Retailer 2
-
$369 AUD
$259 USD
View
Final sale: no returns
A
Retailer 3
-
$384 AUD
$270 USD
View
A
Retailer 4
-
$410 AUD
$288 USD
View
A
Retailer 5
-
$456 AUD
$320 USD
View
A
Retailer 6
-
$641 AUD
£355 GBP
View
A
Retailer 7
-
$695 AUD
$488 USD
View
A
Retailer 8
-
$717 AUD
$504 USD
View
A
Retailer 9
-
$733 AUD
$515 USD
View
A
Retailer 10
-
$772 AUD
£427 GBP
View
B+
Retailer 11
-
$883 AUD
$620 USD
View
B+
Retailer 12
-
$1,320 AUD
$927 USD
View
B+
Retailer 13
-
$1,324 AUD
$930 USD
View
B
Retailer 14
-
$1,394 AUD
$979 USD
View
B
Retailer 15
-
$1,830 AUD
£1,012 GBP
View
Most Expensive
B
Reve Diamonds
716FAEB91 · Oct 30
$1,847 AUD
$1,297 USD
View
15 more retailers have this diamond
Prices start from $330 AUDSave up to $1,516 AUD

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
$330 AUD