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Marquise|Lab Grown|IGI

1.00ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG787618049

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG787618049

Diamond specifications and retailer prices

From $836 USD
As of October 30, 2026
Save $2,386 USD (74%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $3,653 USD at MOH London · As of October 29, 2026
View at MOH London

About this 1ct lab-grown marquise diamond

This 1ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG787618049 or 787618049. Listed at 21 retailers as of October 30, 2026, with a 285% 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
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787618049
Dimensions10.17 × 5.15 × 3.28 mm
L/W Ratio1.97
Girdle conditionFaceted
Culet sizePointed
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
10.17 mm5.15 mm1.00 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787618049
Side View
Table 60.0%Crown 35.3°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.7%

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 30
Current: $3,653 USD|Low: $805 USD|High: $3,689 USD|Avg: $1,892 USD|-0.9%
MOH London
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 15$836 USD
Retailer 7$909 USD
Retailer 19$935 USD
Retailer 17$969 USD
Retailer 9$971 USD
Retailer 8$1,145 USD
Retailer 13$1,181 USD
Retailer 14$1,388 USD
Retailer 2$1,489 USD
Retailer 18$1,708 USD
Retailer 3$1,782 USD
Retailer 11$2,020 USD
Retailer 12$2,032 USD
Retailer 10$2,710 USD
Retailer 4$2,714 USD
Retailer 5$2,725 USD
Retailer 16$3,222 USD
Retailer 6$3,358 USD
MOH London$3,653 USD

39 data points across 19 retailers

21 retailers$836 USD to $3,222 USD

B+
Cheapest Retailer
-
$836 USD
B+
Retailer 2
-
$909 USD
View
B+
Retailer 3
-
$935 USD
View
Final sale: no returns
B+
Retailer 4
-
$969 USD
View
Retailer 5
-
$971 USD
View
Price last confirmed 15 days ago
B+
Retailer 6
-
$1,126 USD
HK$8,800 HKD
View
B+
Retailer 7
-
$1,145 USD
View
B+
Retailer 8
-
$1,181 USD
View
B+
Retailer 9
-
$1,388 USD
View
B+
Retailer 10
-
$1,489 USD
£1,172 GBP
View
B
Retailer 11
-
$1,708 USD
€1,627 EUR
View
B
Retailer 12
-
$1,782 USD
ZAR 28,781 ZAR
View
Retailer 13
-
$2,020 USD
View
Price last confirmed 32 days ago
B
Retailer 14
-
$2,032 USD
View
B
Retailer 15
-
$2,682 USD
£2,112 GBP
View
B
Retailer 16
-
$2,710 USD
View
B
Retailer 17
-
$2,714 USD
SGD 3,668 SGD
View
B
Retailer 18
-
$2,725 USD
View
B
Retailer 19
-
$3,222 USD
View
Retailer 20
-
$3,358 USD
View
Price under review
Most Expensive
MOH London
LG787618049 · Oct 29
$3,653 USD
£2,876 GBP
View
Price under review
20 more retailers have this diamond
Prices start from $836 USDSave up to $2,386 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.

B+
1.00ct Marquise
$836 USD