Marquise|Lab Grown|IGI

3.51ct G VVS2 Marquise Lab Grown Diamond

EX • G/VVS2 • IGI LG807655772

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG807655772

Diamond specifications and retailer prices

From HK$7,077 HKD
$902 USD
As of November 1, 2026
Save HK$15,284 HKD (68%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$22,361 HKD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 3.51ct lab-grown marquise diamond

This 3.51ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG807655772 or 807655772. Listed at 7 retailers as of October 28, 2026, with prices from HK$7,077 to HK$22,361, a HK$15,284 spread on the same certified stone. Rare Carat lists it at HK$22,361. 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

3.51
Carat
G
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807655772
Dimensions15.60 × 8.15 × 4.90 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.60 mm8.15 mm3.51 ctG / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807655772
Side View
Table 56.0%Crown 31°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 60.1%

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: Nov 1
Current: HK$7,428 HKD|Low: HK$6,912 HKD|High: HK$16,900 HKD|Avg: HK$10,596 HKD|+1.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 3, 2026
Retailer 6HK$7,077 HKD
Retailer 1HK$7,428 HKD
Retailer 3HK$7,595 HKD
Retailer 5HK$10,184 HKD
Retailer 4HK$14,786 HKD
Retailer 2HK$16,621 HKD

43 data points across 6 retailers

7 retailersHK$7,077 HKD to HK$22,361 HKD

B+
Cheapest Retailer
-
HK$7,077 HKD
$902 USD
A
Retailer 2
-
HK$7,428 HKD
£745 GBP
View
A
Retailer 3
-
HK$7,595 HKD
$968 USD
View
A
Retailer 4
-
HK$10,184 HKD
$1,298 USD
View
B+
Retailer 5
-
HK$14,786 HKD
$1,885 USD
View
B+
Retailer 6
-
HK$16,621 HKD
£1,668 GBP
View
Most Expensive
B
Rare Carat
697549_l_807655772 · Oct 28
HK$22,361 HKD
$2,850 USD
View
6 more retailers have this diamond
Prices start from HK$7,077 HKDSave up to HK$15,284 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
3.51ct Marquise
HK$7,077 HKD