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Radiant|Lab Grown|IGI

3.68ct G VS1 Radiant Lab Grown Diamond

ID • G/VS1 • IGI LG840644892

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

Certificate IGI LG840644892

Diamond specifications and retailer prices

From $403 USD
As of November 2, 2026
Save $2,107 USD (84%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $2,510 USD at Rare Carat · As of November 1, 2026
View at Rare Carat

About this 3.68ct lab-grown radiant diamond

This 3.68ct lab-grown radiant sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG840644892 or 840644892. Listed at 13 retailers as of November 1, 2026, with prices from $403 to $2,510, a $2,107 spread on the same certified stone. Rare Carat lists it at $2,510. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.68
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.4°
Pavilion angle35.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG840644892
Dimensions10.92 × 7.56 × 5.16 mm
L/W Ratio1.44
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
10.92 mm7.56 mm3.68 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG840644892
Side View
Table 62.0%Crown 39.4°Girdle: MediumPavilion 35.1°Culet: NoneDepth 68.3%

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: Nov 2
Current: $2,510 USD|Low: $403 USD|High: $2,535 USD|Avg: $1,349 USD|-1.0%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 2, 2026
Retailer 12$403 USD
Retailer 10$451 USD
Retailer 2$556 USD
Retailer 7$792 USD
Retailer 5$904 USD
Retailer 8$1,052 USD
Retailer 11$1,402 USD
Retailer 9$1,405 USD
Retailer 4$1,606 USD
Retailer 3$1,740 USD
Retailer 6$1,952 USD
Retailer 13$2,225 USD
Rare Carat$2,510 USD

27 data points across 13 retailers

13 retailers$403 USD to $2,510 USD

A
Cheapest Retailer
-
$403 USD
A
Retailer 2
-
$451 USD
View
A
Retailer 3
-
$556 USD
£438 GBP
View
A
Retailer 4
-
$792 USD
€754 EUR
View
A
Retailer 5
-
$904 USD
View
A
Retailer 6
-
$1,052 USD
A$1,618 AUD
View
A
Retailer 7
-
$1,402 USD
View
B+
Retailer 8
-
$1,405 USD
View
B+
Retailer 9
-
$1,606 USD
View
B+
Retailer 10
-
$1,740 USD
View
B+
Retailer 11
-
$1,952 USD
£1,537 GBP
View
B+
Retailer 12
-
$2,225 USD
View
Most Expensive
B
Rare Carat
LGRA30-162386 · Nov 1
$2,510 USD
View
12 more retailers have this diamond
Prices start from $403 USDSave up to $2,107 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
3.68ct Radiant
$403 USD