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Round|Lab Grown|GIA

1.62ct D SI1 Round Lab Grown Diamond

EX • D/SI1 • GIA 1459007599

Certificate GIA 1459007599

Diamond specifications and retailer prices

From $588 AUD
$413 USD
As of October 29, 2026
Save $2,093 AUD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $2,681 AUD at MOH London · As of October 26, 2026
View at MOH London

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 GIA 1459007599. Listed at 15 retailers as of October 26, 2026, with prices from $588 to $2,681, a $2,093 spread on the same certified stone. MOH London lists it at $2,681. 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
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.6°
OriginLab Grown
Grading LabGIA
CertificateGIA 1459007599
Dimensions7.58 × 7.56 × 4.60 mm
L/W Ratio1.00
Star length50%
Lower girdle75%
Top View
7.58 mm7.56 mm1.62 ctD / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateGIA 1459007599
Side View
Table 58.0%Crown 34°Girdle: NUL-NULPavilion 40.6°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
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: $2,681 AUD|Low: $564 AUD|High: $2,710 AUD|Avg: $1,208 AUD|-0.9%
MOH London
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 10$588 AUD
Retailer 13$658 AUD
Retailer 5$729 AUD
Retailer 11$729 AUD
Retailer 8$940 AUD
Retailer 4$989 AUD
Retailer 12$1,079 AUD
Retailer 6$1,081 AUD
Retailer 2$1,172 AUD
Retailer 9$1,310 AUD
Retailer 7$1,667 AUD
Retailer 3$2,343 AUD
MOH London$2,681 AUD

44 data points across 13 retailers

15 retailers$588 AUD to $2,681 AUD

A
Cheapest Retailer
-
$588 AUD
$413 USD
A
Retailer 2
-
$658 AUD
$462 USD
View
A
Retailer 3
-
$729 AUD
$512 USD
View
A
Retailer 4
-
$729 AUD
$512 USD
View
A
Retailer 5
-
$802 AUD
HK$4,400 HKD
View
B+
Retailer 6
-
$924 AUD
$649 USD
View
B+
Retailer 7
-
$940 AUD
$660 USD
View
B+
Retailer 8
-
$989 AUD
$695 USD
View
B+
Retailer 9
-
$1,079 AUD
$758 USD
View
B+
Retailer 10
-
$1,081 AUD
£598 GBP
View
B+
Retailer 11
-
$1,172 AUD
€784 EUR
View
B+
Retailer 12
-
$1,310 AUD
$920 USD
View
B
Retailer 13
-
$1,667 AUD
$1,171 USD
View
B
Retailer 14
-
$2,343 AUD
$1,646 USD
View
Most Expensive
B
MOH London
1459007599 · Oct 26
$2,681 AUD
£1,483 GBP
View
14 more retailers have this diamond
Prices start from $588 AUDSave up to $2,093 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
$588 AUD