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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 $733 NZD
$413 USD
As of November 1, 2026
Save $2,604 NZD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $3,337 NZD at MOH London · As of November 1, 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 November 1, 2026, with prices from $733 to $3,337, a $2,604 spread on the same certified stone. MOH London lists it at $3,337. 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
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: $3,337 NZD|Low: $703 NZD|High: $3,378 NZD|Avg: $1,508 NZD|-1.1%
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
November 1, 2026
Retailer 10$733 NZD
Retailer 13$820 NZD
Retailer 5$908 NZD
Retailer 11$908 NZD
Retailer 8$1,171 NZD
Retailer 4$1,233 NZD
Retailer 12$1,345 NZD
Retailer 2$1,359 NZD
Retailer 6$1,461 NZD
Retailer 9$1,632 NZD
Retailer 7$2,078 NZD
Retailer 3$2,920 NZD
MOH London$3,337 NZD

44 data points across 13 retailers

15 retailers$733 NZD to $3,337 NZD

A
Cheapest Retailer
-
$733 NZD
$413 USD
A
Retailer 2
-
$820 NZD
$462 USD
View
Retailer 3
-
$908 NZD
$512 USD
View
Price last confirmed 7 days ago
A
Retailer 4
-
$908 NZD
$512 USD
View
A
Retailer 5
-
$999 NZD
HK$4,400 HKD
View
B+
Retailer 6
-
$1,152 NZD
$649 USD
View
B+
Retailer 7
-
$1,171 NZD
$660 USD
View
B+
Retailer 8
-
$1,233 NZD
$695 USD
View
B+
Retailer 9
-
$1,345 NZD
$758 USD
View
B+
Retailer 10
-
$1,359 NZD
£603 GBP
View
B+
Retailer 11
-
$1,461 NZD
€784 EUR
View
Retailer 12
-
$1,632 NZD
$920 USD
View
Price last confirmed 7 days ago
B
Retailer 13
-
$2,078 NZD
$1,171 USD
View
B
Retailer 14
-
$2,920 NZD
$1,646 USD
View
Most Expensive
B
MOH London
1459007599 · Nov 1
$3,337 NZD
£1,481 GBP
View
14 more retailers have this diamond
Prices start from $733 NZDSave up to $2,604 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
$733 NZD