Radiant|Lab Grown|IGI

3.91ct G VS2 Radiant Lab Grown Diamond

EX • G/VS2 • IGI LG835641330

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

Certificate IGI LG835641330

Diamond specifications and retailer prices

From HK$4,386 HKD
$559 USD
As of October 30, 2026
Save HK$40,021 HKD (90%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$44,407 HKD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3.91ct lab-grown radiant diamond

This 3.91ct lab-grown radiant sits in the three to five carat band, graded G colour (near-colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG835641330 or 835641330. Listed at 19 retailers as of October 28, 2026, with prices from HK$4,386 to HK$44,407, a HK$40,021 spread on the same certified stone. Brilliant Earth lists it at HK$44,407. 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

3.91
Carat
G
Colour
VS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle49.2°
Pavilion angle31.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG835641330
Dimensions11.41 × 7.82 × 4.85 mm
L/W Ratio1.46
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.41 mm7.82 mm3.91 ctG / VS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG835641330
Side View
Table 65.0%Crown 49.2°Girdle: STK-THKPavilion 31.2°Culet: NoneDepth 62.0%

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: HK$44,407 HKD|Low: HK$4,213 HKD|High: HK$45,740 HKD|Avg: HK$13,006 HKD|-2.9%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
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Retailer 17
Retailer 18
Retailer 19
October 31, 2026
Retailer 18HK$4,386 HKD
Retailer 6HK$4,911 HKD
Retailer 8HK$4,911 HKD
Retailer 7HK$5,437 HKD
Retailer 19HK$5,437 HKD
Retailer 12HK$6,164 HKD
Retailer 16HK$6,473 HKD
Retailer 5HK$8,379 HKD
Retailer 9HK$8,466 HKD
Retailer 2HK$8,487 HKD
Retailer 10HK$10,804 HKD
Retailer 15HK$14,036 HKD
Retailer 4HK$14,311 HKD
Retailer 17HK$15,783 HKD
Retailer 3HK$17,519 HKD
Retailer 11HK$17,639 HKD
Retailer 14HK$21,811 HKD
Retailer 13HK$23,744 HKD
Brilliant EarthHK$44,407 HKD

44 data points across 19 retailers

19 retailersHK$4,386 HKD to HK$44,407 HKD

A
Cheapest Retailer
-
HK$4,386 HKD
$559 USD
A
Retailer 2
-
HK$4,911 HKD
$626 USD
View
Final sale: no returns
A
Retailer 3
-
HK$4,911 HKD
$626 USD
View
A
Retailer 4
-
HK$5,437 HKD
$693 USD
View
Retailer 5
-
HK$5,437 HKD
$693 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
HK$6,164 HKD
£619 GBP
View
A
Retailer 7
-
HK$6,473 HKD
$825 USD
View
B+
Retailer 8
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HK$8,379 HKD
$1,068 USD
View
A
Retailer 9
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HK$8,466 HKD
$1,079 USD
View
A
Retailer 10
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HK$8,487 HKD
£852 GBP
View
A
Retailer 11
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HK$10,804 HKD
$1,377 USD
View
B+
Retailer 12
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HK$14,036 HKD
$1,789 USD
View
B+
Retailer 13
-
HK$14,311 HKD
$1,824 USD
View
B+
Retailer 14
-
HK$15,783 HKD
£1,584 GBP
View
B+
Retailer 15
-
HK$17,519 HKD
$2,233 USD
View
B+
Retailer 16
-
HK$17,639 HKD
$2,248 USD
View
B+
Retailer 17
-
HK$21,811 HKD
$2,780 USD
View
B
Retailer 18
-
HK$23,744 HKD
£2,383 GBP
View
Most Expensive
B
Brilliant Earth
21426436A · Oct 28
HK$44,407 HKD
$5,660 USD
View
18 more retailers have this diamond
Prices start from HK$4,386 HKDSave up to HK$40,021 HKD

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
3.91ct Radiant
HK$4,386 HKD