Marquise|Lab Grown|IGI

1.56ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG821630368

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG821630368

Diamond specifications and retailer prices

From $418 SGD
$327 USD
As of October 25, 2026
Save $1,310 SGD (76%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,785 SGD at Reve Diamonds · As of October 25, 2026
View at Reve Diamonds

About this 1.56ct lab-grown marquise diamond

This 1.56ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG821630368 or 821630368. Listed at 23 retailers as of October 25, 2026, with a 313% 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

1.56
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle38.2°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821630368
Dimensions11.50 × 6.02 × 3.83 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.50 mm6.02 mm1.56 ctD / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821630368
Side View
Table 59.0%Crown 38.2°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 63.6%

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 25
Current: $738 SGD|Low: $323 SGD|High: $1,956 SGD|Avg: $1,003 SGD|+2.5%
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
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
Retailer 22
Retailer 23
Reve Diamonds
October 30, 2026
Retailer 6$337 SGD
Retailer 5$376 SGD
Retailer 3$391 SGD
Retailer 11$418 SGD
Retailer 7$458 SGD
Retailer 18$466 SGD
Retailer 17$620 SGD
Retailer 20$662 SGD
Retailer 2$695 SGD
Retailer 22$706 SGD
Retailer 1$738 SGD
Retailer 10$756 SGD
Retailer 19$795 SGD
Retailer 23$1,057 SGD
Retailer 8$1,342 SGD
Retailer 13$1,345 SGD
Retailer 14$1,408 SGD
Retailer 9$1,457 SGD
Retailer 12$1,509 SGD
Retailer 16$1,637 SGD
Retailer 4$1,643 SGD
Retailer 21$1,676 SGD
Retailer 15$1,745 SGD
Reve Diamonds$1,785 SGD

35 data points across 24 retailers

23 retailers$418 SGD to $1,728 SGD

Retailer 1
-
$337 SGD
$264 USD
Price last confirmed 8 days ago
Retailer 2
-
$391 SGD
$306 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$418 SGD
$327 USD
View
A
Retailer 4
-
$458 SGD
HK$2,800 HKD
View
A
Retailer 5
-
$466 SGD
£287 GBP
View
A
Retailer 6
-
$620 SGD
$485 USD
View
A
Retailer 7
-
$662 SGD
€493 EUR
View
A
Retailer 8
-
$695 SGD
$544 USD
View
Retailer 9
-
$706 SGD
ZAR 8,927 ZAR
View
Price last confirmed 8 days ago
A
Retailer 10
-
$738 SGD
$577 USD
View
A
Retailer 11
-
$756 SGD
$591 USD
View
A
Retailer 12
-
$795 SGD
£490 GBP
View
B+
Retailer 13
-
$1,057 SGD
$827 USD
View
B+
Retailer 14
-
$1,342 SGD
$1,050 USD
View
B+
Retailer 15
-
$1,345 SGD
View
B
Retailer 16
-
$1,408 SGD
$1,102 USD
View
B
Retailer 17
-
$1,457 SGD
$1,140 USD
View
B
Retailer 18
-
$1,509 SGD
$1,180 USD
View
B
Retailer 19
-
$1,637 SGD
£1,008 GBP
View
B
Retailer 20
-
$1,643 SGD
$1,285 USD
View
B
Retailer 21
-
$1,676 SGD
£1,032 GBP
View
B
Retailer 22
-
$1,728 SGD
$1,352 USD
View
Most Expensive
Reve Diamonds
01A701016 · Oct 25
$1,785 SGD
$1,396 USD
View
Price last confirmed 7 days ago
22 more retailers have this diamond
Prices start from $418 SGDSave up to $1,310 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
1.56ct Marquise
$418 SGD