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Marquise|Lab Grown|IGI

1.00ct D VS1 Marquise Lab Grown Diamond

EX • D/VS1 • IGI LG842645324

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG842645324

Diamond specifications and retailer prices

From $247 USD
As of November 1, 2026
Save $1,413 USD (85%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,233 USD at Friendly Diamonds · As of October 31, 2026
View at Friendly Diamonds

About this 1ct lab-grown marquise diamond

This 1ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG842645324 or 842645324. Listed at 22 retailers as of October 26, 2026, with a 572% 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

1.00
Carat
D
Color
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.2°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG842645324
Dimensions10.40 × 5.28 × 3.27 mm
L/W Ratio1.97
Girdle conditionFaceted
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
10.40 mm5.28 mm1.00 ctD / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG842645324
Side View
Table 60.0%Crown 34.2°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.9%

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: Nov 1
Current: $2,233 USD|Low: $247 USD|High: $4,207 USD|Avg: $2,034 USD|-11.4%
Friendly Diamonds
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 11
Retailer 12
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Retailer 20
November 1, 2026
Retailer 15$247 USD
Retailer 2$255 USD
Retailer 3$273 USD
Retailer 14$307 USD
Retailer 18$365 USD
Retailer 16$368 USD
Retailer 13$471 USD
Retailer 4$506 USD
Retailer 20$508 USD
Retailer 19$736 USD
Retailer 5$878 USD
Retailer 6$931 USD
Retailer 12$945 USD
Retailer 10$1,039 USD
Retailer 17$1,258 USD
Retailer 11$1,380 USD
Retailer 8$1,916 USD
Friendly Diamonds$2,233 USD
Retailer 9$3,138 USD
Retailer 7$4,111 USD

14 data points across 20 retailers

22 retailers$247 USD to $1,660 USD

A
Cheapest Retailer
-
$247 USD
Final sale: no returns
B
Retailer 2
-
$255 USD
View
A
Retailer 3
-
$273 USD
View
A
Retailer 4
-
$307 USD
HK$2,400 HKD
View
A
Retailer 5
-
$365 USD
£287 GBP
View
A
Retailer 6
-
$368 USD
View
Retailer 7
-
$471 USD
ZAR 7,616 ZAR
View
Price under review
B+
Retailer 8
-
$506 USD
View
B+
Retailer 9
-
$508 USD
£400 GBP
View
B
Retailer 10
-
$736 USD
SGD 995 SGD
View
B
Retailer 11
-
$878 USD
View
B
Retailer 12
-
$931 USD
View
Retailer 13
-
$945 USD
View
Price last confirmed 14 days ago
B
Retailer 14
-
$1,039 USD
View
B
Retailer 15
-
$1,258 USD
View
B
Retailer 16
-
$1,380 USD
View
Retailer 17
-
$1,530 USD
View
Price last confirmed 8 days ago
B
Retailer 18
-
$1,660 USD
View
Retailer 19
-
$1,916 USD
€1,825 EUR
View
Price under review
Most Expensive
Friendly Diamonds
6438862 · Oct 31
$2,233 USD
View
Price under review
19 more retailers have this diamond
Prices start from $247 USDSave up to $1,413 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
1.00ct Marquise
$247 USD