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Marquise|Lab Grown|IGI

3.17ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG841675389

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841675389

Diamond specifications and retailer prices

From HK$3,076 HKD
$392 USD
As of November 1, 2026
Save HK$20,306 HKD (87%) vs most expensive(unlock to see where)
4 retailers carry this diamond
Most expensive: HK$23,381 HKD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 3.17ct lab-grown marquise diamond

This 3.17ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG841675389 or 841675389. Listed at 4 retailers as of October 28, 2026, with prices from HK$3,076 to HK$23,381, a HK$20,306 spread on the same certified stone. Brilliant Earth lists it at HK$23,381. 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

3.17
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841675389
Dimensions15.57 × 7.42 × 4.72 mm
L/W Ratio2.10
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.57 mm7.42 mm3.17 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841675389
Side View
Table 62.0%Crown 35.5°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 63.6%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 1
Current: HK$23,381 HKD|Low: HK$3,076 HKD|High: HK$23,931 HKD|Avg: HK$13,227 HKD|-2.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 3HK$3,076 HKD
Retailer 2HK$6,399 HKD
Retailer 4HK$17,654 HKD
Brilliant EarthHK$23,381 HKD

25 data points across 4 retailers

4 retailersHK$3,076 HKD to HK$23,381 HKD

A
Cheapest Retailer
-
HK$3,076 HKD
$392 USD
Final sale: no returns
A
Retailer 2
-
HK$6,399 HKD
£642 GBP
View
B
Retailer 3
-
HK$17,654 HKD
$2,250 USD
View
Most Expensive
B
Brilliant Earth
21726498A · Oct 28
HK$23,381 HKD
$2,980 USD
View
3 more retailers have this diamond
Prices start from HK$3,076 HKDSave up to HK$20,306 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
3.17ct Marquise
HK$3,076 HKD