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 $413 USD
As of October 29, 2026
Save $1,470 USD (78%) vs most expensive(unlock to see where)
15 retailers carry this diamond
Most expensive: $1,883 USD 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 $413 to $1,883, a $1,470 spread on the same certified stone. MOH London lists it at $1,883. 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
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: $1,883 USD|Low: $650 USD|High: $1,904 USD|Avg: $955 USD|-0.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 30, 2026
Retailer 4$660 USD
Retailer 8$695 USD
Retailer 7$758 USD
Retailer 2$766 USD
Retailer 3$824 USD
Retailer 6$920 USD
Retailer 5$1,244 USD
MOH London$1,883 USD

42 data points across 8 retailers

15 retailers$413 USD to $1,883 USD

A
Cheapest Retailer
-
$413 USD
A
Retailer 2
-
$462 USD
View
A
Retailer 3
-
$512 USD
View
A
Retailer 4
-
$512 USD
View
A
Retailer 5
-
$563 USD
HK$4,400 HKD
View
B+
Retailer 6
-
$649 USD
View
B+
Retailer 7
-
$660 USD
View
B+
Retailer 8
-
$695 USD
View
B+
Retailer 9
-
$758 USD
View
B+
Retailer 10
-
$766 USD
£603 GBP
View
B+
Retailer 11
-
$824 USD
€785 EUR
View
B+
Retailer 12
-
$920 USD
View
B
Retailer 13
-
$1,244 USD
View
B
Retailer 14
-
$1,646 USD
View
Most Expensive
B
MOH London
1459007599 · Oct 26
$1,883 USD
£1,483 GBP
View
14 more retailers have this diamond
Prices start from $413 USDSave up to $1,470 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
$413 USD