Marquise|Lab Grown|IGI

5.51ct D VVS2 Marquise Lab Grown Diamond

ID • D/VVS2 • IGI LG830634781

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG830634781

Diamond specifications and retailer prices

From $6,404 SGD
$5,009 USD
As of October 31, 2026
Save $12,027 SGD (65%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $48,669 SGD at Do Amore Diamonds · As of October 31, 2026
View at Do Amore Diamonds

About this 5.51ct lab-grown marquise diamond

This 5.51ct lab-grown marquise sits in the over five carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG830634781 or 830634781. Listed at 24 retailers as of October 31, 2026, with a 188% 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

5.51
Carat
D
Colour
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle31.6°
Pavilion angle38.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG830634781
Dimensions19.02 × 9.10 × 5.39 mm
L/W Ratio2.09
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
19.02 mm9.10 mm5.51 ctD / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG830634781
Side View
Table 57.0%Crown 31.6°Girdle: THK-VTKPavilion 38.4°Culet: NoneDepth 59.2%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 31
Current: $48,669 SGD|Low: $6,404 SGD|High: $53,833 SGD|Avg: $15,833 SGD|-9.6%
Do Amore Diamonds
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
Retailer 17
Retailer 18
Retailer 19
November 1, 2026
Retailer 7$6,404 SGD
Retailer 5$6,791 SGD
Retailer 10$7,921 SGD
Retailer 4$8,206 SGD
Retailer 19$8,206 SGD
Retailer 18$8,214 SGD
Retailer 16$8,949 SGD
Retailer 17$10,106 SGD
Retailer 15$11,319 SGD
Retailer 6$11,879 SGD
Retailer 13$12,431 SGD
Retailer 11$12,898 SGD
Retailer 3$15,539 SGD
Retailer 14$18,402 SGD
Retailer 2$18,431 SGD
Retailer 12$18,946 SGD
Retailer 8$22,585 SGD
Retailer 9$31,519 SGD
Do Amore Diamonds$48,669 SGD

38 data points across 19 retailers

24 retailers$6,404 SGD to $18,431 SGD

B+
Cheapest Retailer
-
$6,404 SGD
$5,009 USD
Retailer 2
-
$6,791 SGD
$5,312 USD
View
Price last confirmed 30 days ago
B+
Retailer 3
-
$7,073 SGD
$5,533 USD
View
Retailer 4
-
$7,413 SGD
$5,799 USD
View
Price last confirmed 33 days ago
B
Retailer 5
-
$7,921 SGD
$6,196 USD
View
Final sale: no returns
Retailer 6
-
$8,206 SGD
$6,419 USD
View
Price last confirmed 29 days ago
Retailer 7
-
$8,206 SGD
$6,419 USD
View
Price last confirmed 16 days ago
B
Retailer 8
-
$8,206 SGD
$6,419 USD
View
B
Retailer 9
-
$8,214 SGD
$6,425 USD
View
B
Retailer 10
-
$8,949 SGD
$7,000 USD
View
B
Retailer 11
-
$10,106 SGD
$7,905 USD
View
Retailer 12
-
$10,753 SGD
$8,411 USD
View
Price last confirmed 32 days ago
B
Retailer 13
-
$10,753 SGD
$8,411 USD
View
B
Retailer 14
-
$11,319 SGD
£6,972 GBP
View
B
Retailer 15
-
$11,879 SGD
$9,292 USD
View
B
Retailer 16
-
$12,431 SGD
A$14,960 AUD
View
B
Retailer 17
-
$12,898 SGD
£7,944 GBP
View
B
Retailer 18
-
$15,539 SGD
$12,155 USD
View
B
Retailer 19
-
$18,402 SGD
ZAR 232,541 ZAR
View
B
Retailer 20
-
$18,431 SGD
£11,352 GBP
View
Retailer 21
-
$18,946 SGD
A$22,800 AUD
View
Price under review
Retailer 22
-
$22,585 SGD
$17,667 USD
View
Price under review
Most Expensive
Do Amore Diamonds
27-C327FB300 · Oct 31
$48,669 SGD
$38,070 USD
View
Price under review
22 more retailers have this diamond
Prices start from $6,404 SGDSave up to $12,027 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.

B+
5.51ct Marquise
$6,404 SGD