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Radiant|Lab Grown|IGI

3.91ct D VS1 Radiant Lab Grown Diamond

GD • D/VS1 • IGI LG708563402

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

Certificate IGI LG708563402

Diamond specifications and retailer prices

From HK$6,331 HKD
$807 USD
As of October 31, 2026
Save HK$60,749 HKD (91%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: HK$67,081 HKD at Brilliant Earth · As of October 29, 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a standard cut grade and certified by IGI LG708563402 or 708563402. Listed at 17 retailers as of October 29, 2026, with prices from HK$6,331 to HK$67,081, a HK$60,749 spread on the same certified stone. Brilliant Earth lists it at HK$67,081. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

3.91
Carat
D
Colour
VS1
Clarity
Good
Cut

Specifications

CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle39.3°
Pavilion angle35.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG708563402
Dimensions11.00 × 7.89 × 5.26 mm
L/W Ratio1.39
Culet sizePointed
Top View
11.00 mm7.89 mm3.91 ctD / VS1
OriginLab Grown
CutGood
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG708563402
Side View
Table 68.0%Crown 39.3°Girdle: MediumPavilion 35.2°Culet: NoneDepth 66.7%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: HK$67,081 HKD|Low: HK$6,331 HKD|High: HK$67,081 HKD|Avg: HK$20,568 HKD
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
October 31, 2026
Retailer 6HK$6,331 HKD
Retailer 9HK$7,493 HKD
Retailer 11HK$9,179 HKD
Retailer 7HK$9,203 HKD
Retailer 2HK$10,899 HKD
Retailer 5HK$12,961 HKD
Retailer 10HK$16,029 HKD
Retailer 8HK$16,222 HKD
Retailer 13HK$17,412 HKD
Retailer 4HK$24,009 HKD
Retailer 15HK$27,162 HKD
Retailer 3HK$29,814 HKD
Retailer 14HK$42,342 HKD
Retailer 12HK$49,820 HKD
Brilliant EarthHK$67,081 HKD

25 data points across 15 retailers

17 retailersHK$6,331 HKD to HK$67,081 HKD

A
Cheapest Retailer
-
HK$6,331 HKD
$807 USD
Final sale: no returns
Retailer 2
-
HK$6,606 HKD
$842 USD
View
Price last confirmed 34 days ago
A
Retailer 3
-
HK$7,493 HKD
$955 USD
View
B+
Retailer 4
-
HK$9,179 HKD
$1,170 USD
View
A
Retailer 5
-
HK$9,203 HKD
$1,173 USD
View
A
Retailer 6
-
HK$10,899 HKD
€1,323 EUR
View
B+
Retailer 7
-
HK$12,961 HKD
$1,652 USD
View
B+
Retailer 8
-
HK$16,029 HKD
$2,043 USD
View
B+
Retailer 9
-
HK$16,222 HKD
A$3,181 AUD
View
B+
Retailer 10
-
HK$17,412 HKD
$2,219 USD
View
Retailer 11
-
HK$24,009 HKD
A$4,708 AUD
View
Price last confirmed 22 days ago
B
Retailer 12
-
HK$27,162 HKD
£2,726 GBP
View
Retailer 13
-
HK$29,814 HKD
$3,800 USD
View
Price last confirmed 12 days ago
B
Retailer 14
-
HK$42,325 HKD
$5,395 USD
View
B
Retailer 15
-
HK$42,342 HKD
$5,397 USD
View
B
Retailer 16
-
HK$49,820 HKD
$6,350 USD
View
Most Expensive
B
Brilliant Earth
16281928A · Oct 29
HK$67,081 HKD
$8,550 USD
View
16 more retailers have this diamond
Prices start from HK$6,331 HKDSave up to HK$60,749 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$6,331 HKD