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Radiant|Lab Grown|IGI

1.70ct I VS1 Radiant Lab Grown Diamond

EX • I/VS1 • IGI LG551292836

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

Certificate IGI LG551292836

Diamond specifications and retailer prices

From $2,437 SGD
$1,906 USD
As of November 1, 2026
Save $2,978 SGD (55%) vs most expensive(unlock to see where)
3 retailers carry this diamond
Most expensive: $7,511 SGD at The Diamond Guys · As of October 28, 2026
View at The Diamond Guys

About this 1.7ct lab-grown radiant diamond

This 1.7ct lab-grown radiant sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG551292836 or 551292836. Listed at 3 retailers as of November 1, 2026, with a 122% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.70
Carat
I
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle45.2°
Pavilion angle30.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG551292836
Dimensions8.29 × 5.75 × 3.91 mm
L/W Ratio1.44
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
8.29 mm5.75 mm1.70 ctI / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG551292836
Side View
Table 64.0%Crown 45.2°Girdle: Slightly ThickPavilion 30.4°Culet: NoneDepth 68.0%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Nov 1
Current: $5,415 SGD|Low: $1,783 SGD|High: $7,511 SGD|Avg: $3,625 SGD
Retailer 1
Retailer 2
Retailer 3
Retailer 4
The Diamond Guys
November 1, 2026
Retailer 4$1,783 SGD
Retailer 3$1,892 SGD
Retailer 2$2,437 SGD
Retailer 1$5,415 SGD
The Diamond Guys$7,511 SGD

2 data points across 5 retailers

3 retailers$2,437 SGD to $5,415 SGD

B
Cheapest Retailer
-
$2,437 SGD
$1,906 USD
B
Retailer 2
-
$5,415 SGD
£3,335 GBP
View
Most Expensive
The Diamond Guys
1996342837 · Oct 28
$7,511 SGD
$5,875 USD
View
Price under review
2 more retailers have this diamond
Prices start from $2,437 SGDSave up to $2,978 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.

B
1.70ct Radiant
$2,437 SGD