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Marquise|Lab Grown|IGI

1.00ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG660414894

Certificate IGI LG660414894

Diamond specifications and retailer prices

From $299 USD
Save $2,211 USD (88%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $2,510 USD at Brilliant Earth
View at Brilliant Earth

About this 1ct lab-grown marquise diamond

This 1ct lab-grown marquise sits in the classic one-carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG660414894 or 660414894. Listed at 26 retailers, with prices from $299 to $2,510 at Brilliant Earth, a $2,211 spread on the same certified stone. 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
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.1°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG660414894
Dimensions10.25 × 5.25 × 3.31 mm
L/W Ratio1.95
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
10.25 mm5.25 mm1.00 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG660414894
Side View
Table 59.0%Crown 36.1°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 63.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0-100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Sep 30
Current: $2,510 USD|Low: $238 USD|High: $2,510 USD|Avg: $928 USD
Brilliant Earth
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Retailer 25
October 1, 2026
Retailer 23$299 USD
Retailer 2$335 USD
Retailer 5$347 USD
Retailer 9$366 USD
Retailer 19$386 USD
Retailer 21$430 USD
Retailer 24$435 USD
Retailer 25$560 USD
Retailer 14$574 USD
Retailer 8$596 USD
Retailer 11$610 USD
Retailer 7$630 USD
Retailer 4$650 USD
Retailer 16$811 USD
Retailer 15$836 USD
Retailer 6$902 USD
Retailer 3$1,041 USD
Retailer 10$1,042 USD
Retailer 22$1,193 USD
Retailer 18$1,241 USD
Retailer 12$1,374 USD
Retailer 20$1,444 USD
Retailer 13$1,505 USD
Retailer 17$1,511 USD
Brilliant Earth$2,510 USD

41 data points across 25 retailers

26 retailers$299 USD to $2,510 USD

A
Cheapest Retailer
-
$299 USD
A
Retailer 2
-
$335 USD
View
A
Retailer 3
-
$347 USD
View
A
Retailer 4
-
$366 USD
View
A
Retailer 5
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$386 USD
£304 GBP
View
A
Retailer 6
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$430 USD
View
A
Retailer 7
-
$435 USD
HK$3,400 HKD
View
A
Retailer 8
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$560 USD
View
A
Retailer 9
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$574 USD
View
A
Retailer 10
-
$596 USD
€568 EUR
View
A
Retailer 11
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$610 USD
View
A
Retailer 12
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$630 USD
ZAR 10,183 ZAR
View
A
Retailer 13
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$638 USD
£503 GBP
View
Price last confirmed 21 days ago
A
Retailer 14
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$652 USD
£513 GBP
View
B+
Retailer 15
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$811 USD
A$1,248 AUD
View
B+
Retailer 16
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$836 USD
View
B+
Retailer 17
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$902 USD
A$1,387 AUD
View
B+
Retailer 18
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$1,041 USD
View
B+
Retailer 19
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$1,042 USD
SGD 1,408 SGD
View
B+
Retailer 20
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$1,193 USD
View
B+
Retailer 21
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$1,241 USD
View
B
Retailer 22
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$1,402 USD
View
B
Retailer 23
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$1,444 USD
A$2,222 AUD
View
B
Retailer 24
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$1,505 USD
£1,185 GBP
View
B
Retailer 25
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$1,511 USD
View
Most Expensive
B
Brilliant Earth
12598483A · Sep 29
$2,510 USD
View
25 more retailers have this diamond
Prices start from $299 USDSave up to $2,211 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.

A
1.00ct Marquise
$299 USD