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Marquise|Lab Grown|IGI

1.21ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG809686335

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG809686335

Diamond specifications and retailer prices

From $253 SGD
As of November 4, 2026
Save $1,262 SGD (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,271 SGD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.21ct lab-grown marquise diamond

This 1.21ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG809686335 or 809686335. Listed at 22 retailers as of November 4, 2026, with a 499% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.21
Carat
D
Colour
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.9°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG809686335
Dimensions11.12 × 5.49 × 3.29 mm
L/W Ratio2.03
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.12 mm5.49 mm1.21 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG809686335
Side View
Table 58.0%Crown 31.9°Girdle: STK-THKPavilion 39.5°Culet: NoneDepth 59.9%

Caratlytics Score

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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 4
Current: $567 SGD|Low: $245 SGD|High: $1,567 SGD|Avg: $695 SGD|+5.0%
Retailer 1
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
November 5, 2026
Retailer 6$253 SGD
Retailer 15$282 SGD
Retailer 2$313 SGD
Retailer 13$313 SGD
Retailer 5$424 SGD
Retailer 11$540 SGD
Retailer 12$548 SGD
Retailer 1$567 SGD
Retailer 8$594 SGD
Retailer 3$626 SGD
Retailer 10$764 SGD
Retailer 14$952 SGD
Retailer 16$1,012 SGD
Retailer 7$1,075 SGD
Retailer 9$1,464 SGD
Retailer 4$1,515 SGD

42 data points across 16 retailers

22 retailers$253 SGD to $1,515 SGD

Retailer 1
-
$245 SGD
Price last confirmed 36 days ago
Retailer 2
-
$253 SGD
View
Price last confirmed 17 days ago
A
Retailer 3
-
$253 SGD
View
A
Retailer 4
-
$282 SGD
View
Final sale: no returns
Retailer 5
-
$285 SGD
View
Price last confirmed 37 days ago
Retailer 6
-
$301 SGD
View
Price last confirmed 37 days ago
Retailer 7
-
$313 SGD
View
Price last confirmed 17 days ago
Retailer 8
-
$313 SGD
View
Price last confirmed 11 days ago
B+
Retailer 9
-
$424 SGD
View
A
Retailer 10
-
$540 SGD
View
Retailer 11
-
$548 SGD
View
Price last confirmed 9 days ago
A
Retailer 12
-
$567 SGD
View
A
Retailer 13
-
$594 SGD
View
A
Retailer 14
-
$626 SGD
View
B+
Retailer 15
-
$764 SGD
View
Retailer 16
-
$952 SGD
View
Price last confirmed 8 days ago
Retailer 17
-
$980 SGD
View
Price last confirmed 36 days ago
B
Retailer 18
-
$1,012 SGD
View
B
Retailer 19
-
$1,075 SGD
View
B
Retailer 20
-
$1,464 SGD
View
B
Retailer 21
-
$1,515 SGD
View
Most Expensive
Queensmith
LG809686335 · Oct 27
$2,271 SGD
£1,400 GBP
View
Price last confirmed 9 days ago
21 more retailers have this diamond
Prices start from $253 SGDSave up to $1,262 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
1.21ct Marquise
$253 SGD