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Round|Lab Grown|IGI

1.63ct H SI1 Round Lab Grown Diamond

EX • H/SI1 • IGI LG425066630

Shape and cutting style on the report: Round brilliant

Certificate IGI LG425066630

Diamond specifications and retailer prices

From $1,330 SGD
$1,040 USD
As of October 30, 2026
Save $6,015 SGD (82%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $7,345 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.63ct lab-grown round diamond

This 1.63ct lab-grown round sits in the one-and-a-half to two carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG425066630 or 425066630. Listed at 12 retailers as of October 29, 2026, with prices from $1,330 to $7,345, a $6,015 spread on the same certified stone. MOH London lists it at $7,345. 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

1.63
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.9°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG425066630
Dimensions7.50 × 7.47 × 4.72 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.50 mm7.47 mm1.63 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG425066630
Side View
Table 54.5%Crown 34.9°Girdle: ThickPavilion 40.9°Culet: NoneDepth 63.1%

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 30
Current: $7,345 SGD|Low: $1,330 SGD|High: $7,403 SGD|Avg: $4,117 SGD|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 30, 2026
Retailer 2$1,330 SGD
Retailer 6$2,205 SGD
Retailer 9$2,470 SGD
Retailer 7$2,558 SGD
Retailer 4$2,761 SGD
Retailer 10$2,774 SGD
Retailer 12$3,413 SGD
Retailer 8$4,017 SGD
Retailer 5$4,410 SGD
Retailer 11$7,006 SGD
Retailer 3$7,322 SGD
MOH London$7,345 SGD

17 data points across 12 retailers

12 retailers$1,330 SGD to $7,345 SGD

A
Cheapest Retailer
-
$1,330 SGD
$1,040 USD
B+
Retailer 2
-
$2,205 SGD
$1,725 USD
View
B+
Retailer 3
-
$2,400 SGD
$1,877 USD
View
B+
Retailer 4
-
$2,470 SGD
$1,932 USD
View
Final sale: no returns
B
Retailer 5
-
$2,558 SGD
$2,001 USD
View
Retailer 6
-
$2,558 SGD
$2,001 USD
View
Price last confirmed 19 days ago
B+
Retailer 7
-
$2,774 SGD
$2,170 USD
View
B
Retailer 8
-
$4,017 SGD
$3,142 USD
View
B
Retailer 9
-
$4,410 SGD
$3,450 USD
View
B
Retailer 10
-
$4,795 SGD
$3,751 USD
View
B
Retailer 11
-
$7,006 SGD
$5,480 USD
View
Most Expensive
B
MOH London
LG425066630 · Oct 29
$7,345 SGD
£4,524 GBP
View
11 more retailers have this diamond
Prices start from $1,330 SGDSave up to $6,015 SGD

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
1.63ct Round
$1,330 SGD