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Cushion|Lab Grown|IGI

1.70ct G SI1 Cushion Lab Grown Diamond

GD • G/SI1 • IGI LG478103526

Shape and cutting style on the report: Cushion modified brilliant

Certificate IGI LG478103526

Diamond specifications and retailer prices

From $500 SGD
$391 USD
As of October 30, 2026
Save $1,677 SGD (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,177 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 1.7ct lab-grown cushion diamond

This 1.7ct lab-grown cushion sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a standard cut grade and certified by IGI LG478103526 or 478103526. Listed at 12 retailers as of October 29, 2026, with prices from $500 to $2,177, a $1,677 spread on the same certified stone. MOH London lists it at $2,177. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

1.70
Carat
G
Colour
SI1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.5°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG478103526
Dimensions7.13 × 6.69 × 4.59 mm
L/W Ratio1.07
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
7.13 mm6.69 mm1.70 ctG / SI1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG478103526
Side View
Table 59.5%Crown 36.5°Girdle: STK-THKPavilion 39.3°Culet: NoneDepth 68.6%

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 30
Current: $2,177 SGD|Low: $500 SGD|High: $2,192 SGD|Avg: $1,000 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
October 31, 2026
Retailer 7$500 SGD
Retailer 10$554 SGD
Retailer 9$605 SGD
Retailer 5$711 SGD
Retailer 3$812 SGD
Retailer 4$812 SGD
Retailer 11$890 SGD
Retailer 6$891 SGD
Retailer 2$996 SGD
Retailer 8$2,136 SGD
MOH London$2,177 SGD

43 data points across 11 retailers

12 retailers$500 SGD to $2,177 SGD

A
Cheapest Retailer
-
$500 SGD
$391 USD
Final sale: no returns
B+
Retailer 2
-
$554 SGD
$433 USD
View
B+
Retailer 3
-
$605 SGD
HK$3,700 HKD
View
B+
Retailer 4
-
$711 SGD
£438 GBP
View
B+
Retailer 5
-
$812 SGD
$635 USD
View
B+
Retailer 6
-
$812 SGD
$635 USD
View
B+
Retailer 7
-
$890 SGD
$696 USD
View
B+
Retailer 8
-
$891 SGD
$697 USD
View
B+
Retailer 9
-
$996 SGD
£614 GBP
View
B
Retailer 10
-
$1,835 SGD
$1,435 USD
View
C
Retailer 11
-
$2,136 SGD
$1,671 USD
View
Most Expensive
B
MOH London
LG478103526 · Oct 29
$2,177 SGD
£1,341 GBP
View
11 more retailers have this diamond
Prices start from $500 SGDSave up to $1,677 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
1.70ct Cushion
$500 SGD