Marquise|Lab Grown|IGI

1.55ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG831633117

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG831633117

Diamond specifications and retailer prices

From $598 USD
As of October 25, 2026
Save $46 USD (7%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $2,258 USD at Yadav Diamonds · As of October 14, 2026
View at Yadav Diamonds

About this 1.55ct lab-grown marquise diamond

This 1.55ct 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 LG831633117 or 831633117. Listed at 17 retailers as of October 25, 2026, with a relatively tight 8% spread, which is unusual at this carat range and suggests competitive pricing across the listings. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG831633117
Dimensions11.70 × 6.11 × 3.79 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
11.70 mm6.11 mm1.55 ctD / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG831633117
Side View
Table 58.0%Crown 34.1°Girdle: MED-STKPavilion 40.6°Culet: NoneDepth 62.0%

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: $644 USD|Low: $288 USD|High: $2,300 USD|Avg: $977 USD|+2.2%
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
Yadav Diamonds
October 27, 2026
Retailer 2$288 USD
Retailer 11$399 USD
Retailer 5$430 USD
Retailer 12$430 USD
Retailer 8$598 USD
Retailer 14$603 USD
Retailer 13$620 USD
Retailer 1$644 USD
Retailer 9$907 USD
Retailer 7$1,079 USD
Retailer 15$1,261 USD
Retailer 6$1,304 USD
Retailer 10$1,434 USD
Retailer 4$1,660 USD
Yadav Diamonds$2,258 USD
Retailer 3$2,300 USD

36 data points across 16 retailers

17 retailers$598 USD to $644 USD

A
Retailer 1
-
$259 USD
Price last confirmed 21 days ago
A
Retailer 2
-
$310 USD
View
Price last confirmed 30 days ago
A
Retailer 3
-
$321 USD
View
Price last confirmed 20 days ago
A
Retailer 4
-
$399 USD
£314 GBP
View
Price last confirmed 14 days ago
B+
Retailer 5
-
$430 USD
View
Price last confirmed 15 days ago
A
Retailer 6
-
$430 USD
View
Price last confirmed 14 days ago
A
Retailer 7
-
$598 USD
View
A
Retailer 8
-
$603 USD
ZAR 9,748 ZAR
View
Price last confirmed 15 days ago
A
Retailer 9
-
$620 USD
£488 GBP
View
Price last confirmed 15 days ago
A
Retailer 10
-
$644 USD
€613 EUR
View
B+
Retailer 11
-
$907 USD
View
Price last confirmed 13 days ago
B+
Retailer 12
-
$1,138 USD
View
Price last confirmed 21 days ago
B
Retailer 13
-
$1,261 USD
View
Price last confirmed 14 days ago
B
Retailer 14
-
$1,304 USD
View
Price last confirmed 14 days ago
B
Retailer 15
-
$1,434 USD
£1,129 GBP
View
Price last confirmed 14 days ago
B
Retailer 16
-
$1,660 USD
View
Price last confirmed 14 days ago
Most Expensive
B
Yadav Diamonds
13257351 · Oct 14
$2,258 USD
View
Price last confirmed 14 days ago
16 more retailers have this diamond
Prices start from $598 USDSave up to $46 USD

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
1.55ct Marquise
$598 USD