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Round|Lab Grown|IGI

4.09ct I VVS2 Round Lab Grown Diamond

ID • I/VVS2 • IGI LG839675871

Shape and cutting style on the report: Round brilliant

Certificate IGI LG839675871

Diamond specifications and retailer prices

From HK$3,711 HKD
$473 USD
As of October 29, 2026
Save HK$39,130 HKD (91%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: HK$42,841 HKD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.09ct lab-grown round diamond

This 4.09ct lab-grown round sits in the three to five carat band, graded I colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG839675871 or 839675871. Listed at 19 retailers as of October 29, 2026, with prices from HK$3,711 to HK$42,841, a HK$39,130 spread on the same certified stone. Brilliant Earth lists it at HK$42,841. 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

4.09
Carat
I
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.2°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG839675871
Dimensions10.24 × 10.26 × 6.21 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
10.24 mm10.26 mm4.09 ctI / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG839675871
Side View
Table 60.0%Crown 35.2°Girdle: MED-STKPavilion 40.2°Culet: NoneDepth 60.6%

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 29
Current: HK$5,133 HKD|Low: HK$3,649 HKD|High: HK$20,714 HKD|Avg: HK$9,861 HKD|-3.2%
Retailer 1
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
October 30, 2026
Retailer 5HK$3,711 HKD
Retailer 8HK$4,237 HKD
Retailer 13HK$4,598 HKD
Retailer 10HK$4,716 HKD
Retailer 14HK$5,122 HKD
Retailer 1HK$5,133 HKD
Retailer 16HK$6,159 HKD
Retailer 18HK$6,277 HKD
Retailer 11HK$6,855 HKD
Retailer 12HK$7,250 HKD
Retailer 15HK$9,148 HKD
Retailer 2HK$10,820 HKD
Retailer 6HK$12,601 HKD
Retailer 17HK$14,775 HKD
Retailer 4HK$14,829 HKD
Retailer 3HK$15,010 HKD
Retailer 7HK$19,591 HKD
Retailer 9HK$20,440 HKD

30 data points across 18 retailers

19 retailersHK$3,711 HKD to HK$42,841 HKD

A
Cheapest Retailer
-
HK$3,711 HKD
$473 USD
A
Retailer 2
-
HK$4,237 HKD
$540 USD
View
A
Retailer 3
-
HK$4,598 HKD
$586 USD
View
Retailer 4
-
HK$4,716 HKD
$601 USD
View
Price last confirmed 14 days ago
A
Retailer 5
-
HK$5,122 HKD
View
A
Retailer 6
-
HK$5,133 HKD
£515 GBP
View
B+
Retailer 7
-
HK$6,159 HKD
$785 USD
View
A
Retailer 8
-
HK$6,277 HKD
$800 USD
View
A
Retailer 9
-
HK$6,855 HKD
€832 EUR
View
A
Retailer 10
-
HK$7,250 HKD
$924 USD
View
A
Retailer 11
-
HK$9,148 HKD
ZAR 18,835 ZAR
View
A
Retailer 12
-
HK$10,820 HKD
$1,379 USD
View
B+
Retailer 13
-
HK$12,601 HKD
$1,606 USD
View
B+
Retailer 14
-
HK$14,775 HKD
$1,883 USD
View
B+
Retailer 15
-
HK$14,829 HKD
SGD 2,554 SGD
View
B+
Retailer 16
-
HK$15,010 HKD
$1,913 USD
View
B+
Retailer 17
-
HK$19,591 HKD
£1,966 GBP
View
Retailer 18
-
HK$20,440 HKD
$2,605 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
21790516A · Oct 29
HK$42,841 HKD
$5,460 USD
View
18 more retailers have this diamond
Prices start from HK$3,711 HKDSave up to HK$39,130 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
4.09ct Round
HK$3,711 HKD