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Marquise|Lab Grown|IGI

3.38ct G VS1 Marquise Lab Grown Diamond

EX • G/VS1 • IGI LG811678564

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG811678564

Diamond specifications and retailer prices

From $2,205 SGD
$1,725 USD
As of October 26, 2026
Save $1,830 SGD (45%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $4,053 SGD at Brilliant Earth · As of October 8, 2026
View at Brilliant Earth

About this 3.38ct lab-grown marquise diamond

This 3.38ct 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 LG811678564 or 811678564. Listed at 5 retailers as of October 26, 2026, with a 83% 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

3.38
Carat
G
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle37.8°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG811678564
Dimensions15.22 × 7.71 × 4.96 mm
L/W Ratio1.97
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.22 mm7.71 mm3.38 ctG / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG811678564
Side View
Table 61.0%Crown 37.8°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 64.3%

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: Oct 26
Current: $4,053 SGD|Low: $602 SGD|High: $4,168 SGD|Avg: $2,622 SGD|-2.8%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
October 27, 2026
Retailer 4$602 SGD
Retailer 3$834 SGD
Retailer 7$1,081 SGD
Retailer 6$2,205 SGD
Retailer 5$3,426 SGD
Retailer 2$4,035 SGD
Brilliant Earth$4,053 SGD

22 data points across 7 retailers

5 retailers$2,205 SGD to $4,035 SGD

B+
Retailer 1
-
$834 SGD
$652 USD
Price last confirmed 6 days ago
B+
Retailer 2
-
$2,205 SGD
$1,725 USD
View
Retailer 3
-
$3,426 SGD
$2,680 USD
View
Price last confirmed 8 days ago
B
Retailer 4
-
$4,035 SGD
$3,156 USD
View
Most Expensive
Brilliant Earth
21248071A · Oct 8
$4,053 SGD
$3,170 USD
View
Price last confirmed 24 days ago
4 more retailers have this diamond
Prices start from $2,205 SGDSave up to $1,830 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
3.38ct Marquise
$2,205 SGD