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Marquise|Lab Grown|IGI

3.28ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG816680484

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG816680484

Diamond specifications and retailer prices

From $578 SGD
$452 USD
As of November 1, 2026
Save $3,338 SGD (85%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $3,916 SGD at Frank Darling · As of October 31, 2026
View at Frank Darling

About this 3.28ct lab-grown marquise diamond

This 3.28ct 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 LG816680484 or 816680484. Listed at 5 retailers as of October 31, 2026, with prices from $578 to $3,916, a $3,338 spread on the same certified stone. Frank Darling lists it at $3,916. 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

3.28
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816680484
Dimensions15.45 × 7.73 × 4.85 mm
L/W Ratio2.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.45 mm7.73 mm3.28 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816680484
Side View
Table 62.0%Crown 35.3°Girdle: STK-THKPavilion 40.7°Culet: NoneDepth 62.7%

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: $3,916 SGD|Low: $578 SGD|High: $3,917 SGD|Avg: $1,792 SGD|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 31, 2026
Retailer 3$578 SGD
Retailer 4$819 SGD
Retailer 6$1,050 SGD
Retailer 2$2,113 SGD
Retailer 5$2,940 SGD
Frank Darling$3,916 SGD

18 data points across 6 retailers

5 retailers$578 SGD to $3,916 SGD

A
Cheapest Retailer
-
$578 SGD
$452 USD
Final sale: no returns
B+
Retailer 2
-
$819 SGD
$641 USD
View
B+
Retailer 3
-
$2,113 SGD
$1,653 USD
View
B
Retailer 4
-
$2,940 SGD
$2,300 USD
View
Most Expensive
B
Frank Darling
100766821955KD · Oct 31
$3,916 SGD
$3,063 USD
View
4 more retailers have this diamond
Prices start from $578 SGDSave up to $3,338 SGD

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
3.28ct Marquise
$578 SGD