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Radiant|Lab Grown|IGI

1.65ct G SI1 Radiant Lab Grown Diamond

ID • G/SI1 • IGI LG510184285

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

Certificate IGI LG510184285

Diamond specifications and retailer prices

From ₹1,16,789 INR
$1,230 USD
As of October 31, 2026
Save ₹2,05,377 INR (64%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: ₹3,50,271 INR at NZ Jewellers · As of October 28, 2026
View at NZ Jewellers

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 G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG510184285 or 510184285. Listed at 13 retailers as of October 31, 2026, with a 176% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.1°
Pavilion angle34.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG510184285
Dimensions8.16 × 6.15 × 3.88 mm
L/W Ratio1.33
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
8.16 mm6.15 mm1.65 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG510184285
Side View
Table 68.0%Crown 39.1°Girdle: Slightly ThickPavilion 34.7°Culet: NoneDepth 63.1%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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Price History

Last verified: Oct 31
Current: ₹2,64,882 INR|Low: ₹1,16,789 INR|High: ₹5,40,830 INR|Avg: ₹2,90,280 INR|-0.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
October 31, 2026
Retailer 5₹1,16,789 INR
Retailer 4₹1,61,130 INR
Retailer 8₹1,80,405 INR
Retailer 6₹1,86,862 INR
Retailer 1₹2,64,882 INR
Retailer 7₹2,93,490 INR
Retailer 3₹3,22,165 INR
Retailer 9₹5,12,602 INR
Retailer 2₹5,34,319 INR

41 data points across 9 retailers

13 retailers₹1,16,789 INR to ₹3,22,165 INR

B
Cheapest Retailer
-
₹1,16,789 INR
$1,230 USD
B
Retailer 2
-
₹1,61,130 INR
$1,697 USD
View
B
Retailer 3
-
₹1,75,278 INR
$1,846 USD
View
B
Retailer 4
-
₹1,80,405 INR
$1,900 USD
View
Final sale: no returns
B
Retailer 5
-
₹1,86,862 INR
$1,968 USD
View
Retailer 6
-
₹1,86,862 INR
$1,968 USD
View
Price last confirmed 19 days ago
B
Retailer 7
-
₹2,02,718 INR
$2,135 USD
View
B
Retailer 8
-
₹2,64,882 INR
£2,197 GBP
View
B
Retailer 9
-
₹2,93,490 INR
$3,091 USD
View
B
Retailer 10
-
₹3,22,165 INR
$3,393 USD
View
Most Expensive
NZ Jewellers
230c0e69-5f14-49ce-b077-d8d716cbaf8f · Oct 28
₹3,50,271 INR
$3,689 USD
View
Price under review
10 more retailers have this diamond
Prices start from ₹1,16,789 INRSave up to ₹2,05,377 INR

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
1.65ct Radiant
₹1,16,789 INR