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Marquise|Lab Grown|IGI

3.21ct D VVS2 Marquise Lab Grown Diamond

ID • D/VVS2 • IGI LG821661424

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG821661424

Diamond specifications and retailer prices

From $1,156 SGD
$904 USD
As of October 29, 2026
Save $6,630 SGD (85%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $7,785 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 3.21ct lab-grown marquise diamond

This 3.21ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG821661424 or 821661424. Listed at 17 retailers as of October 29, 2026, with prices from $1,156 to $7,785, a $6,630 spread on the same certified stone. Brilliant Earth lists it at $7,785. 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

3.21
Carat
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle38.4°
Pavilion angle37.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821661424
Dimensions16.31 × 7.62 × 4.41 mm
L/W Ratio2.14
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.31 mm7.62 mm3.21 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821661424
Side View
Table 60.0%Crown 38.4°Girdle: MED-STKPavilion 37.4°Culet: NoneDepth 57.9%

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 29
Current: $7,785 SGD|Low: $1,156 SGD|High: $7,785 SGD|Avg: $3,093 SGD
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
October 31, 2026
Retailer 14$1,156 SGD
Retailer 16$1,425 SGD
Retailer 9$1,716 SGD
Retailer 10$1,839 SGD
Retailer 15$2,184 SGD
Retailer 13$2,355 SGD
Retailer 7$2,736 SGD
Retailer 4$2,782 SGD
Retailer 2$2,850 SGD
Retailer 6$3,796 SGD
Retailer 12$4,146 SGD
Retailer 11$4,293 SGD
Retailer 3$4,515 SGD
Retailer 8$4,653 SGD
Retailer 5$4,774 SGD
Brilliant Earth$7,785 SGD

22 data points across 16 retailers

17 retailers$1,156 SGD to $7,785 SGD

A
Cheapest Retailer
-
$1,156 SGD
$904 USD
Final sale: no returns
A
Retailer 2
-
$1,425 SGD
$1,115 USD
View
A
Retailer 3
-
$1,716 SGD
$1,342 USD
View
A
Retailer 4
-
$1,839 SGD
£1,133 GBP
View
A
Retailer 5
-
$2,184 SGD
€1,627 EUR
View
A
Retailer 6
-
$2,355 SGD
$1,842 USD
View
Retailer 7
-
$2,736 SGD
A$3,293 AUD
View
Price last confirmed 10 days ago
B+
Retailer 8
-
$2,782 SGD
ZAR 35,160 ZAR
View
B+
Retailer 9
-
$2,850 SGD
$2,229 USD
View
B+
Retailer 10
-
$3,796 SGD
$2,969 USD
View
B+
Retailer 11
-
$4,146 SGD
$3,243 USD
View
B+
Retailer 12
-
$4,293 SGD
$3,358 USD
View
B+
Retailer 13
-
$4,515 SGD
£2,781 GBP
View
Retailer 14
-
$4,653 SGD
A$5,599 AUD
View
Price last confirmed 23 days ago
B+
Retailer 15
-
$4,774 SGD
View
Retailer 16
-
$5,900 SGD
$4,615 USD
View
Price last confirmed 24 days ago
Most Expensive
B
Brilliant Earth
20855262A · Oct 30
$7,785 SGD
$6,090 USD
View
16 more retailers have this diamond
Prices start from $1,156 SGDSave up to $6,630 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
3.21ct Marquise
$1,156 SGD