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Round|Lab Grown|IGI

3.50ct D VS1 Round Lab Grown Diamond

ID • D/VS1 • IGI LG799616678

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799616678

Diamond specifications and retailer prices

From HK$5,280 HKD
$673 USD
As of October 26, 2026
Save HK$20,537 HKD (80%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: HK$30,363 HKD at Rare Carat · As of October 18, 2026
View at Rare Carat

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 LG799616678 or 799616678. Listed at 21 retailers as of October 26, 2026, with a 389% 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 angle34.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799616678
Dimensions9.80 × 9.76 × 5.95 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.80 mm9.76 mm3.50 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799616678
Side View
Table 58.0%Crown 34.3°Girdle: MED-STKPavilion 40.7°Culet: NoneDepth 60.9%

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 26
Current: HK$30,363 HKD|Low: HK$5,108 HKD|High: HK$30,677 HKD|Avg: HK$12,741 HKD|-0.8%
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
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 27, 2026
Retailer 5HK$5,280 HKD
Retailer 19HK$5,743 HKD
Retailer 10HK$5,908 HKD
Retailer 3HK$6,120 HKD
Retailer 4HK$6,120 HKD
Retailer 21HK$8,419 HKD
Retailer 7HK$9,234 HKD
Retailer 13HK$9,702 HKD
Retailer 16HK$9,886 HKD
Retailer 11HK$9,972 HKD
Retailer 2HK$10,660 HKD
Retailer 18HK$13,902 HKD
Retailer 17HK$14,079 HKD
Retailer 8HK$14,138 HKD
Retailer 20HK$15,636 HKD
Retailer 6HK$17,206 HKD
Retailer 14HK$20,877 HKD
Retailer 9HK$21,112 HKD
Retailer 12HK$21,195 HKD
Retailer 15HK$25,817 HKD
Rare CaratHK$30,363 HKD

40 data points across 21 retailers

21 retailersHK$5,280 HKD to HK$25,817 HKD

A
Cheapest Retailer
-
HK$5,280 HKD
$673 USD
A
Retailer 2
-
HK$5,743 HKD
$732 USD
View
A
Retailer 3
-
HK$5,908 HKD
$753 USD
View
Final sale: no returns
A
Retailer 4
-
HK$6,120 HKD
$780 USD
View
Retailer 5
-
HK$6,120 HKD
$780 USD
View
Price last confirmed 14 days ago
Retailer 6
-
HK$8,419 HKD
£845 GBP
View
Price last confirmed 13 days ago
A
Retailer 7
-
HK$9,234 HKD
$1,177 USD
View
A
Retailer 8
-
HK$9,702 HKD
£974 GBP
View
B+
Retailer 9
-
HK$9,886 HKD
$1,260 USD
View
A
Retailer 10
-
HK$9,972 HKD
$1,271 USD
View
B+
Retailer 11
-
HK$10,660 HKD
€1,294 EUR
View
Retailer 12
-
HK$13,902 HKD
A$2,726 AUD
View
Price last confirmed 9 days ago
B+
Retailer 13
-
HK$14,079 HKD
ZAR 28,990 ZAR
View
B+
Retailer 14
-
HK$14,138 HKD
$1,802 USD
View
B+
Retailer 15
-
HK$15,636 HKD
$1,993 USD
View
B+
Retailer 16
-
HK$17,206 HKD
$2,193 USD
View
B
Retailer 17
-
HK$20,877 HKD
$2,661 USD
View
B
Retailer 18
-
HK$21,112 HKD
$2,691 USD
View
B
Retailer 19
-
HK$21,195 HKD
$2,701 USD
View
B
Retailer 20
-
HK$25,817 HKD
£2,591 GBP
View
Most Expensive
Rare Carat
950085 · Oct 18
HK$30,363 HKD
$3,870 USD
View
Price last confirmed 12 days ago
20 more retailers have this diamond
Prices start from HK$5,280 HKDSave up to HK$20,537 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$5,280 HKD