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Marquise|Lab Grown|IGI

1.00ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG677521344

Certificate IGI LG677521344

Diamond specifications and retailer prices

From $271 USD
Save $2,219 USD (89%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $2,490 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 LG677521344 or 677521344. Listed at 26 retailers, with prices from $271 to $2,490 at Brilliant Earth, a $2,219 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 angle34.3°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG677521344
Dimensions10.22 × 5.16 × 3.28 mm
L/W Ratio1.98
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
10.22 mm5.16 mm1.00 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG677521344
Side View
Table 59.0%Crown 34.3°Girdle: STK-THKPavilion 40.9°Culet: NoneDepth 63.6%

Caratlytics Score

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

Price History

Last verified: Sep 30
Current: $2,490 USD|Low: $215 USD|High: $2,490 USD|Avg: $1,029 USD
Brilliant Earth
Retailer 2
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Retailer 21
October 1, 2026
Retailer 15$302 USD
Retailer 16$430 USD
Retailer 9$437 USD
Retailer 5$440 USD
Retailer 18$499 USD
Retailer 6$578 USD
Retailer 13$603 USD
Retailer 2$634 USD
Retailer 20$650 USD
Retailer 8$836 USD
Retailer 3$902 USD
Retailer 19$943 USD
Retailer 7$1,211 USD
Retailer 17$1,225 USD
Retailer 14$1,295 USD
Retailer 12$1,358 USD
Retailer 4$1,416 USD
Retailer 11$1,418 USD
Retailer 21$1,505 USD
Retailer 10$2,410 USD
Brilliant Earth$2,490 USD

38 data points across 21 retailers

26 retailers$271 USD to $2,490 USD

A
Cheapest Retailer
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$271 USD
A
Retailer 2
-
$302 USD
View
A
Retailer 3
-
$315 USD
View
A
Retailer 4
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$332 USD
View
A
Retailer 5
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$430 USD
View
A
Retailer 6
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$437 USD
View
A
Retailer 7
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$440 USD
View
A
Retailer 8
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$499 USD
HK$3,900 HKD
View
A
Retailer 9
-
$578 USD
View
A
Retailer 10
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$603 USD
€574 EUR
View
A
Retailer 11
-
$634 USD
ZAR 10,238 ZAR
View
A
Retailer 12
-
$652 USD
£513 GBP
View
B+
Retailer 13
-
$836 USD
View
B+
Retailer 14
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$902 USD
A$1,387 AUD
View
B+
Retailer 15
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$943 USD
View
B
Retailer 16
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$1,193 USD
View
B
Retailer 17
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$1,199 USD
View
Price last confirmed 22 days ago
B
Retailer 18
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$1,211 USD
SGD 1,637 SGD
View
B
Retailer 19
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$1,225 USD
View
B
Retailer 20
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$1,235 USD
View
B
Retailer 21
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$1,358 USD
View
B
Retailer 22
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$1,416 USD
A$2,178 AUD
View
B
Retailer 23
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$1,418 USD
View
B
Retailer 24
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$1,505 USD
£1,185 GBP
View
B
Retailer 25
-
$2,410 USD
View
Most Expensive
B
Brilliant Earth
13509059Y · Oct 1
$2,490 USD
View
25 more retailers have this diamond
Prices start from $271 USDSave up to $2,219 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
$271 USD