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Radiant|Lab Grown|IGI

1.55ct G VS1 Radiant Lab Grown Diamond

EX • G/VS1 • IGI LG781636342

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

Certificate IGI LG781636342

Diamond specifications and retailer prices

From $271 SGD
$212 USD
As of October 30, 2026
Save $1,455 SGD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,727 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.55ct lab-grown radiant diamond

This 1.55ct lab-grown radiant sits in the one-and-a-half to two carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG781636342 or 781636342. Listed at 19 retailers as of October 30, 2026, with prices from $271 to $1,727, a $1,455 spread on the same certified stone. Brilliant Earth lists it at $1,727. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.9°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG781636342
Dimensions8.34 × 5.90 × 3.70 mm
L/W Ratio1.41
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.34 mm5.90 mm1.55 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG781636342
Side View
Table 64.0%Crown 38.9°Girdle: MediumPavilion 33.5°Culet: NoneDepth 62.7%

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: $1,727 SGD|Low: $263 SGD|High: $1,867 SGD|Avg: $791 SGD|-6.9%
Brilliant Earth
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
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
November 2, 2026
Retailer 19$271 SGD
Retailer 18$303 SGD
Retailer 13$315 SGD
Retailer 5$336 SGD
Retailer 10$338 SGD
Retailer 3$577 SGD
Retailer 12$580 SGD
Retailer 2$621 SGD
Retailer 8$638 SGD
Retailer 17$760 SGD
Retailer 6$789 SGD
Retailer 16$876 SGD
Retailer 14$1,079 SGD
Retailer 9$1,093 SGD
Retailer 11$1,106 SGD
Retailer 4$1,147 SGD
Retailer 7$1,355 SGD
Retailer 15$1,367 SGD
Brilliant Earth$1,727 SGD

30 data points across 19 retailers

19 retailers$271 SGD to $1,727 SGD

A
Cheapest Retailer
-
$271 SGD
$212 USD
A
Retailer 2
-
$303 SGD
$237 USD
View
Final sale: no returns
A
Retailer 3
-
$315 SGD
$246 USD
View
A
Retailer 4
-
$336 SGD
$263 USD
View
Retailer 5
-
$338 SGD
$264 USD
View
Price last confirmed 8 days ago
B+
Retailer 6
-
$577 SGD
$451 USD
View
A
Retailer 7
-
$580 SGD
ZAR 7,322 ZAR
View
A
Retailer 8
-
$621 SGD
£382 GBP
View
A
Retailer 9
-
$638 SGD
$499 USD
View
A
Retailer 10
-
$760 SGD
$594 USD
View
A
Retailer 11
-
$789 SGD
A$949 AUD
View
B+
Retailer 12
-
$876 SGD
$685 USD
View
B+
Retailer 13
-
$1,079 SGD
$844 USD
View
B+
Retailer 14
-
$1,093 SGD
View
B+
Retailer 15
-
$1,106 SGD
$865 USD
View
B+
Retailer 16
-
$1,147 SGD
$897 USD
View
B+
Retailer 17
-
$1,355 SGD
£834 GBP
View
B+
Retailer 18
-
$1,367 SGD
$1,069 USD
View
Most Expensive
B
Brilliant Earth
21502017A · Oct 31
$1,727 SGD
$1,350 USD
View
18 more retailers have this diamond
Prices start from $271 SGDSave up to $1,455 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
1.55ct Radiant
$271 SGD