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Round|Lab Grown|IGI

3.40ct D VVS1 Round Lab Grown Diamond

ID • D/VVS1 • IGI LG812606137

Shape and cutting style on the report: Round brilliant

Certificate IGI LG812606137

Diamond specifications and retailer prices

From HK$6,520 HKD
$831 USD
As of October 26, 2026
Save HK$32,162 HKD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: HK$66,145 HKD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.4ct lab-grown round diamond

This 3.4ct lab-grown round sits in the three to five carat band, graded D colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG812606137 or 812606137. Listed at 20 retailers as of October 26, 2026, with a 493% 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

3.40
Carat
D
Colour
VVS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG812606137
Dimensions9.69 × 9.73 × 5.81 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
9.69 mm9.73 mm3.40 ctD / VVS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG812606137
Side View
Table 59.0%Crown 33.4°Girdle: MediumPavilion 40.3°Culet: NoneDepth 59.8%

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$66,145 HKD|Low: HK$6,520 HKD|High: HK$90,469 HKD|Avg: HK$18,926 HKD|-26.9%
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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
October 30, 2026
Retailer 8HK$6,520 HKD
Retailer 5HK$7,093 HKD
Retailer 9HK$7,297 HKD
Retailer 3HK$7,564 HKD
Retailer 7HK$8,738 HKD
Retailer 18HK$8,945 HKD
Retailer 6HK$9,973 HKD
Retailer 15HK$10,734 HKD
Retailer 2HK$11,571 HKD
Retailer 14HK$11,938 HKD
Retailer 10HK$17,121 HKD
Retailer 19HK$17,380 HKD
Retailer 12HK$17,554 HKD
Retailer 4HK$21,256 HKD
Retailer 11HK$24,410 HKD
Retailer 17HK$25,188 HKD
Retailer 13HK$28,490 HKD
Retailer 16HK$38,683 HKD
Brilliant EarthHK$66,145 HKD

23 data points across 19 retailers

20 retailersHK$6,520 HKD to HK$38,683 HKD

A
Cheapest Retailer
-
HK$6,520 HKD
$831 USD
A
Retailer 2
-
HK$7,093 HKD
$904 USD
View
A
Retailer 3
-
HK$7,297 HKD
$930 USD
View
Final sale: no returns
A
Retailer 4
-
HK$7,564 HKD
$964 USD
View
Retailer 5
-
HK$7,776 HKD
$991 USD
View
Price last confirmed 13 days ago
A
Retailer 6
-
HK$8,738 HKD
View
A
Retailer 7
-
HK$8,945 HKD
$1,140 USD
View
A
Retailer 8
-
HK$9,973 HKD
$1,271 USD
View
A
Retailer 9
-
HK$10,734 HKD
$1,368 USD
View
A
Retailer 10
-
HK$11,571 HKD
£1,161 GBP
View
A
Retailer 11
-
HK$11,938 HKD
€1,449 EUR
View
Retailer 12
-
HK$17,121 HKD
A$3,357 AUD
View
Price last confirmed 8 days ago
B+
Retailer 13
-
HK$17,380 HKD
$2,215 USD
View
B+
Retailer 14
-
HK$17,554 HKD
ZAR 36,142 ZAR
View
B+
Retailer 15
-
HK$21,256 HKD
$2,709 USD
View
B+
Retailer 16
-
HK$24,410 HKD
$3,111 USD
View
B+
Retailer 17
-
HK$25,188 HKD
SGD 4,338 SGD
View
B
Retailer 18
-
HK$28,490 HKD
£2,859 GBP
View
B
Retailer 19
-
HK$38,683 HKD
$4,930 USD
View
Most Expensive
Brilliant Earth
20448652A · Oct 30
HK$66,145 HKD
$8,430 USD
View
Price under review
19 more retailers have this diamond
Prices start from HK$6,520 HKDSave up to HK$32,162 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
3.40ct Round
HK$6,520 HKD