Round|Lab Grown|IGI

3.50ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG831616987

Shape and cutting style on the report: Round brilliant

Certificate IGI LG831616987

Diamond specifications and retailer prices

From HK$9,702 HKD
£974 GBP
As of October 27, 2026
Save HK$16,114 HKD (62%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$71,239 HKD at Brilliant Earth · As of October 26, 2026
View at Brilliant Earth

About this 3.5ct lab-grown round diamond

This 3.5ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG831616987 or 831616987. Listed at 19 retailers as of October 26, 2026, with a 166% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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

3.50
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831616987
Dimensions9.66 × 9.71 × 6.05 mm
L/W Ratio1.01
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.66 mm9.71 mm3.50 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831616987
Side View
Table 56.0%Crown 35.6°Girdle: MediumPavilion 40.9°Culet: NoneDepth 62.5%

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 27
Current: HK$71,239 HKD|Low: HK$5,720 HKD|High: HK$73,436 HKD|Avg: HK$20,325 HKD|-3.0%
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
Retailer 16
October 27, 2026
Retailer 5HK$5,908 HKD
Retailer 16HK$8,419 HKD
Retailer 9HK$9,702 HKD
Retailer 10HK$9,886 HKD
Retailer 6HK$9,972 HKD
Retailer 2HK$10,660 HKD
Retailer 13HK$13,902 HKD
Retailer 12HK$14,079 HKD
Retailer 3HK$14,138 HKD
Retailer 14HK$15,636 HKD
Retailer 8HK$20,877 HKD
Retailer 4HK$21,112 HKD
Retailer 7HK$21,195 HKD
Retailer 11HK$25,817 HKD
Retailer 15HK$30,363 HKD
Brilliant EarthHK$71,239 HKD

36 data points across 16 retailers

19 retailersHK$9,702 HKD to HK$25,817 HKD

Retailer 1
-
HK$5,108 HKD
$651 USD
Price last confirmed 38 days ago
Retailer 2
-
HK$5,563 HKD
$709 USD
View
Price last confirmed 37 days ago
Retailer 3
-
HK$5,845 HKD
$745 USD
View
Price last confirmed 33 days ago
Retailer 4
-
HK$8,419 HKD
£845 GBP
View
Price last confirmed 13 days ago
A
Retailer 5
-
HK$9,702 HKD
£974 GBP
View
B+
Retailer 6
-
HK$9,886 HKD
$1,260 USD
View
A
Retailer 7
-
HK$9,972 HKD
$1,271 USD
View
B+
Retailer 8
-
HK$10,660 HKD
€1,294 EUR
View
Retailer 9
-
HK$13,902 HKD
A$2,726 AUD
View
Price last confirmed 10 days ago
B+
Retailer 10
-
HK$14,079 HKD
ZAR 28,990 ZAR
View
B+
Retailer 11
-
HK$14,138 HKD
$1,802 USD
View
B+
Retailer 12
-
HK$15,636 HKD
$1,993 USD
View
Retailer 13
-
HK$16,664 HKD
$2,124 USD
View
Price last confirmed 34 days ago
B
Retailer 14
-
HK$20,877 HKD
$2,661 USD
View
B
Retailer 15
-
HK$21,112 HKD
$2,691 USD
View
B
Retailer 16
-
HK$21,195 HKD
$2,701 USD
View
B
Retailer 17
-
HK$25,817 HKD
£2,591 GBP
View
Retailer 18
-
HK$30,363 HKD
$3,870 USD
View
Price last confirmed 12 days ago
Most Expensive
Brilliant Earth
21300317A · Oct 26
HK$71,239 HKD
$9,080 USD
View
Price under review
18 more retailers have this diamond
Prices start from HK$9,702 HKDSave up to HK$16,114 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
3.50ct Round
HK$9,702 HKD