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Marquise|Lab Grown|IGI

1.05ct D FL Marquise Lab Grown Diamond

EX • D/FL • IGI LG787624309

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG787624309

Diamond specifications and retailer prices

From $270 USD
As of November 2, 2026
Save $1,870 USD (87%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,140 USD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.05ct lab-grown marquise diamond

This 1.05ct 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 LG787624309 or 787624309. Listed at 23 retailers as of November 2, 2026, with prices from $270 to $2,140, a $1,870 spread on the same certified stone. Brilliant Earth lists it at $2,140. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.05
Carat
D
Color
FL
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG787624309
Dimensions10.57 × 5.41 × 3.30 mm
L/W Ratio1.95
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
10.57 mm5.41 mm1.05 ctD / FL
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG787624309
Side View
Table 58.0%Crown 33.4°Girdle: THN-MEDPavilion 40°Culet: NoneDepth 61.0%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: $2,140 USD|Low: $270 USD|High: $2,810 USD|Avg: $886 USD|-23.8%
Brilliant Earth
Retailer 2
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Retailer 21
November 2, 2026
Retailer 21$270 USD
Retailer 10$301 USD
Retailer 16$313 USD
Retailer 7$335 USD
Retailer 2$344 USD
Retailer 8$371 USD
Retailer 9$420 USD
Retailer 20$458 USD
Retailer 15$577 USD
Retailer 19$578 USD
Retailer 13$583 USD
Retailer 5$611 USD
Retailer 14$673 USD
Retailer 18$815 USD
Retailer 11$896 USD
Retailer 12$1,075 USD
Retailer 6$1,126 USD
Retailer 4$1,182 USD
Retailer 17$1,341 USD
Retailer 3$1,416 USD
Brilliant Earth$2,140 USD

31 data points across 21 retailers

23 retailers$270 USD to $2,140 USD

A
Cheapest Retailer
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$270 USD
A
Retailer 2
-
$301 USD
View
Final sale: no returns
A
Retailer 3
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$313 USD
View
A
Retailer 4
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$335 USD
View
A
Retailer 5
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$344 USD
£271 GBP
View
A
Retailer 6
-
$371 USD
HK$2,900 HKD
View
Retailer 7
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$417 USD
View
Price last confirmed 8 days ago
A
Retailer 8
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$420 USD
View
A
Retailer 9
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$458 USD
View
A
Retailer 10
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$577 USD
ZAR 9,318 ZAR
View
A
Retailer 11
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$578 USD
View
A
Retailer 12
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$583 USD
£459 GBP
View
A
Retailer 13
-
$611 USD
View
Retailer 14
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$673 USD
€641 EUR
View
Price last confirmed 8 days ago
B+
Retailer 15
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$811 USD
A$1,248 AUD
View
B+
Retailer 16
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$815 USD
View
B+
Retailer 17
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$896 USD
SGD 1,211 SGD
View
B+
Retailer 18
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$1,075 USD
View
B
Retailer 19
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$1,126 USD
View
B
Retailer 20
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$1,182 USD
View
B
Retailer 21
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$1,341 USD
£1,056 GBP
View
B
Retailer 22
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$1,416 USD
View
Most Expensive
B
Brilliant Earth
20381042A · Nov 2
$2,140 USD
View
22 more retailers have this diamond
Prices start from $270 USDSave up to $1,870 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
1.05ct Marquise
$270 USD