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Radiant|Lab Grown|IGI

1.86ct G VS1 Radiant Lab Grown Diamond

EX • G/VS1 • IGI LG576345362

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

Certificate IGI LG576345362

Diamond specifications and retailer prices

From $330 USD
As of October 30, 2026
Save $1,360 USD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $1,690 USD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 1.86ct lab-grown radiant diamond

This 1.86ct 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 LG576345362 or 576345362. Listed at 17 retailers as of October 30, 2026, with prices from $330 to $1,690, a $1,360 spread on the same certified stone. Taylor and Hart lists it at $1,690. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.86
Carat
G
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.4°
Pavilion angle31.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG576345362
Dimensions9.28 × 5.97 × 4.06 mm
L/W Ratio1.55
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
9.28 mm5.97 mm1.86 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG576345362
Side View
Table 63.0%Crown 36.4°Girdle: THN-MEDPavilion 31.4°Culet: NoneDepth 68.0%

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: $648 USD|Low: $236 USD|High: $1,690 USD|Avg: $971 USD|+3.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Taylor and Hart
October 31, 2026
Retailer 12$330 USD
Retailer 11$599 USD
Retailer 8$600 USD
Retailer 7$628 USD
Retailer 1$648 USD
Retailer 4$709 USD
Retailer 6$850 USD
Retailer 9$1,123 USD
Retailer 3$1,326 USD
Retailer 2$1,343 USD
Retailer 10$1,405 USD
Retailer 5$1,473 USD
Taylor and Hart$1,690 USD

42 data points across 13 retailers

17 retailers$330 USD to $1,690 USD

Retailer 1
-
$283 USD
Price last confirmed 29 days ago
Retailer 2
-
$295 USD
View
Price last confirmed 23 days ago
A
Retailer 3
-
$330 USD
View
Final sale: no returns
Retailer 4
-
$342 USD
View
Price last confirmed 34 days ago
Retailer 5
-
$366 USD
View
Price last confirmed 28 days ago
A
Retailer 6
-
$599 USD
View
A
Retailer 7
-
$600 USD
View
A
Retailer 8
-
$628 USD
ZAR 10,146 ZAR
View
A
Retailer 9
-
$648 USD
£510 GBP
View
B+
Retailer 10
-
$709 USD
View
B+
Retailer 11
-
$850 USD
A$1,308 AUD
View
B+
Retailer 12
-
$1,123 USD
View
Retailer 13
-
$1,175 USD
View
Price last confirmed 31 days ago
B
Retailer 14
-
$1,343 USD
SGD 1,815 SGD
View
B
Retailer 15
-
$1,405 USD
View
B
Retailer 16
-
$1,473 USD
£1,160 GBP
View
Most Expensive
B
Taylor and Hart
IXDGUMO · Oct 31
$1,690 USD
View
16 more retailers have this diamond
Prices start from $330 USDSave up to $1,360 USD

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
1.86ct Radiant
$330 USD