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Marquise|Lab Grown|IGI

5.51ct E VS1 Marquise Lab Grown Diamond

ID • E/VS1 • IGI LG841640042

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG841640042

Diamond specifications and retailer prices

From $1,735 SGD
HK$10,600 HKD
As of October 30, 2026
Save $5,495 SGD (76%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,229 SGD at Rare Carat · As of October 28, 2026
View at Rare Carat

About this 5.51ct lab-grown marquise diamond

This 5.51ct lab-grown marquise sits in the over five carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG841640042 or 841640042. Listed at 10 retailers as of October 28, 2026, with prices from $1,735 to $7,229, a $5,495 spread on the same certified stone. Rare Carat lists it at $7,229. 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

5.51
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle39.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG841640042
Dimensions18.31 × 9.05 × 5.58 mm
L/W Ratio2.02
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
18.31 mm9.05 mm5.51 ctE / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG841640042
Side View
Table 65.0%Crown 33.7°Girdle: MED-STKPavilion 39.5°Culet: NoneDepth 61.7%

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 30
Current: $7,229 SGD|Low: $1,735 SGD|High: $7,229 SGD|Avg: $3,376 SGD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 30, 2026
Retailer 5$1,735 SGD
Retailer 9$1,956 SGD
Retailer 2$2,265 SGD
Retailer 10$2,346 SGD
Retailer 4$2,380 SGD
Retailer 6$3,338 SGD
Retailer 3$5,004 SGD
Retailer 8$5,115 SGD
Retailer 7$5,401 SGD
Rare Carat$7,229 SGD

19 data points across 10 retailers

10 retailers$1,735 SGD to $7,229 SGD

A
Cheapest Retailer
-
$1,735 SGD
HK$10,600 HKD
A
Retailer 2
-
$1,956 SGD
$1,530 USD
View
A
Retailer 3
-
$2,265 SGD
£1,395 GBP
View
A
Retailer 4
-
$2,346 SGD
$1,835 USD
View
A
Retailer 5
-
$2,380 SGD
€1,773 EUR
View
B+
Retailer 6
-
$3,338 SGD
$2,611 USD
View
B+
Retailer 7
-
$5,004 SGD
£3,082 GBP
View
B
Retailer 8
-
$5,115 SGD
$4,001 USD
View
B
Retailer 9
-
$5,401 SGD
$4,225 USD
View
Most Expensive
B
Rare Carat
KI0426400KF841 · Oct 28
$7,229 SGD
$5,655 USD
View
9 more retailers have this diamond
Prices start from $1,735 SGDSave up to $5,495 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
5.51ct Marquise
$1,735 SGD