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Radiant|Lab Grown|IGI

1.65ct E SI1 Radiant Lab Grown Diamond

ID • E/SI1 • IGI LG559296256

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG559296256

Diamond specifications and retailer prices

From $229 SGD
$179 USD
As of October 27, 2026
Save $1,975 SGD (90%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,205 SGD at Do Amore Diamonds · As of October 29, 2026
View at Do Amore Diamonds

About this 1.65ct lab-grown radiant diamond

This 1.65ct lab-grown radiant sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG559296256 or 559296256. Listed at 9 retailers as of October 27, 2026, with prices from $229 to $2,205, a $1,975 spread on the same certified stone. Do Amore Diamonds lists it at $2,205. 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

1.65
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.1°
Pavilion angle36°
OriginLab Grown
Grading LabIGI
CertificateIGI LG559296256
Dimensions8.41 × 5.89 × 3.95 mm
L/W Ratio1.43
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
8.41 mm5.89 mm1.65 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG559296256
Side View
Table 66.5%Crown 49.1°Girdle: MediumPavilion 36°Culet: NoneDepth 67.1%

Caratlytics Score

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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 27
Current: $2,205 SGD|Low: $183 SGD|High: $2,256 SGD|Avg: $891 SGD|-2.3%
Do Amore Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 29, 2026
Retailer 11$229 SGD
Retailer 13$263 SGD
Retailer 10$265 SGD
Retailer 9$504 SGD
Retailer 4$559 SGD
Retailer 5$699 SGD
Retailer 14$706 SGD
Retailer 6$851 SGD
Retailer 8$965 SGD
Retailer 3$999 SGD
Retailer 12$1,009 SGD
Retailer 7$1,237 SGD
Retailer 2$1,475 SGD
Do Amore Diamonds$2,205 SGD

16 data points across 14 retailers

9 retailers$229 SGD to $2,205 SGD

A
Cheapest Retailer
-
$229 SGD
$179 USD
A
Retailer 2
-
$263 SGD
$205 USD
View
Final sale: no returns
A
Retailer 3
-
$265 SGD
$207 USD
View
B+
Retailer 4
-
$504 SGD
$393 USD
View
B+
Retailer 5
-
$965 SGD
$753 USD
View
B+
Retailer 6
-
$1,009 SGD
$787 USD
View
B
Retailer 7
-
$1,237 SGD
$965 USD
View
Price last confirmed 10 days ago
B
Retailer 8
-
$1,475 SGD
£906 GBP
View
Most Expensive
B
Do Amore Diamonds
27-07695C7B0 · Oct 29
$2,205 SGD
$1,720 USD
View
8 more retailers have this diamond
Prices start from $229 SGDSave up to $1,975 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
1.65ct Radiant
$229 SGD