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Marquise|Lab Grown|IGI

1.53ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG786675996

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG786675996

Diamond specifications and retailer prices

From $617 USD
As of October 29, 2026
Save $2,373 USD (79%) vs most expensive(unlock to see where)
17 retailers carry this diamond
Most expensive: $3,475 USD at Novita Diamonds · As of October 8, 2026
View at Novita Diamonds

About this 1.53ct lab-grown marquise diamond

This 1.53ct lab-grown marquise sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG786675996 or 786675996. Listed at 17 retailers as of October 26, 2026, with a 385% 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

1.53
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.9°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG786675996
Dimensions11.85 × 5.92 × 3.76 mm
L/W Ratio2.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.85 mm5.92 mm1.53 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG786675996
Side View
Table 58.0%Crown 35.9°Girdle: MED-THKPavilion 40.3°Culet: NoneDepth 63.5%

Caratlytics Score

How it works →
A+
Exceptional
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 29
Current: $617 USD|Low: $617 USD|High: $3,109 USD|Avg: $1,546 USD|-3.0%
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
October 29, 2026
Retailer 1$617 USD
Retailer 16$820 USD
Retailer 3$922 USD
Retailer 4$979 USD
Retailer 14$1,061 USD
Retailer 5$1,120 USD
Retailer 12$1,177 USD
Retailer 15$1,177 USD
Retailer 8$1,631 USD
Retailer 7$1,775 USD
Retailer 6$1,996 USD
Retailer 9$2,163 USD
Retailer 10$2,205 USD
Retailer 13$2,221 USD
Retailer 11$2,257 USD
Retailer 2$2,990 USD

19 data points across 16 retailers

17 retailers$617 USD to $2,990 USD

A+
Cheapest Retailer
-
$617 USD
Final sale: no returns
A
Retailer 2
-
$820 USD
View
A
Retailer 3
-
$922 USD
View
A
Retailer 4
-
$979 USD
View
A
Retailer 5
-
$1,061 USD
£836 GBP
View
A
Retailer 6
-
$1,120 USD
View
A
Retailer 7
-
$1,177 USD
ZAR 19,012 ZAR
View
A
Retailer 8
-
$1,177 USD
€1,121 EUR
View
B+
Retailer 9
-
$1,631 USD
A$2,509 AUD
View
Price last confirmed 8 days ago
B+
Retailer 10
-
$1,775 USD
View
B+
Retailer 11
-
$1,996 USD
£1,572 GBP
View
B+
Retailer 12
-
$2,163 USD
SGD 2,923 SGD
View
B+
Retailer 13
-
$2,205 USD
View
B+
Retailer 14
-
$2,221 USD
View
B+
Retailer 15
-
$2,257 USD
View
B+
Retailer 16
-
$2,990 USD
£2,354 GBP
View
Most Expensive
B
Novita Diamonds
cert_786675996 · Oct 8
$3,475 USD
A$5,346 AUD
View
Price last confirmed 21 days ago
16 more retailers have this diamond
Prices start from $617 USDSave up to $2,373 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+
1.53ct Marquise
$617 USD