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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 $586 NZD
$330 USD
As of October 30, 2026
Save $2,414 NZD (80%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,999 NZD 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 $586 to $2,999, a $2,414 spread on the same certified stone. Taylor and Hart lists it at $2,999. 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
Colour
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

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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 30
Current: $1,118 NZD|Low: $419 NZD|High: $2,999 NZD|Avg: $1,730 NZD|+2.6%
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
November 2, 2026
Retailer 12$586 NZD
Retailer 11$1,063 NZD
Retailer 8$1,065 NZD
Retailer 1$1,118 NZD
Retailer 6$1,149 NZD
Retailer 4$1,258 NZD
Retailer 7$1,509 NZD
Retailer 9$1,993 NZD
Retailer 3$2,353 NZD
Retailer 2$2,383 NZD
Retailer 10$2,493 NZD
Retailer 5$2,598 NZD
Taylor and Hart$2,999 NZD

42 data points across 13 retailers

17 retailers$586 NZD to $2,999 NZD

Retailer 1
-
$502 NZD
$283 USD
Price last confirmed 30 days ago
Retailer 2
-
$523 NZD
$295 USD
View
Price last confirmed 24 days ago
A
Retailer 3
-
$586 NZD
$330 USD
View
Final sale: no returns
Retailer 4
-
$607 NZD
$342 USD
View
Price last confirmed 35 days ago
Retailer 5
-
$649 NZD
$366 USD
View
Price last confirmed 29 days ago
A
Retailer 6
-
$1,063 NZD
$599 USD
View
A
Retailer 7
-
$1,065 NZD
$600 USD
View
A
Retailer 8
-
$1,118 NZD
ZAR 10,182 ZAR
View
A
Retailer 9
-
$1,149 NZD
£510 GBP
View
B+
Retailer 10
-
$1,258 NZD
$709 USD
View
B+
Retailer 11
-
$1,509 NZD
A$1,308 AUD
View
B+
Retailer 12
-
$1,993 NZD
$1,123 USD
View
Retailer 13
-
$2,085 NZD
$1,175 USD
View
Price last confirmed 32 days ago
B
Retailer 14
-
$2,383 NZD
SGD 1,815 SGD
View
B
Retailer 15
-
$2,493 NZD
$1,405 USD
View
B
Retailer 16
-
$2,598 NZD
£1,153 GBP
View
Most Expensive
B
Taylor and Hart
IXDGUMO · Oct 31
$2,999 NZD
$1,690 USD
View
16 more retailers have this diamond
Prices start from $586 NZDSave up to $2,414 NZD

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
$586 NZD