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Marquise|Lab Grown|IGI

1.09ct D IF Marquise Lab Grown Diamond

ID • D/IF • IGI LG623477669

Certificate IGI LG623477669

Diamond specifications and retailer prices

From $290 USD
Save $2,440 USD (89%) vs most expensive(unlock to see where)
26 retailers carry this diamond
Most expensive: $2,730 USD at Brilliant Earth
View at Brilliant Earth

About this 1.09ct lab-grown marquise diamond

This 1.09ct 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 LG623477669 or 623477669. Listed at 26 retailers, with prices from $290 to $2,730 at Brilliant Earth, a $2,440 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

1.09
Carat
D
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG623477669
Dimensions10.71 × 5.41 × 3.35 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
10.71 mm5.41 mm1.09 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG623477669
Side View
Table 60.0%Crown 34.3°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 61.9%

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: $2,730 USD|Low: $230 USD|High: $2,730 USD|Avg: $969 USD
Brilliant Earth
Retailer 2
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Retailer 11
Retailer 12
Retailer 13
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Retailer 19
October 1, 2026
Retailer 2$323 USD
Retailer 13$416 USD
Retailer 3$578 USD
Retailer 4$603 USD
Retailer 18$610 USD
Retailer 14$627 USD
Retailer 5$657 USD
Retailer 19$660 USD
Retailer 7$688 USD
Retailer 6$806 USD
Retailer 16$872 USD
Retailer 10$1,008 USD
Retailer 8$1,295 USD
Retailer 9$1,324 USD
Retailer 17$1,350 USD
Retailer 15$1,457 USD
Retailer 11$1,480 USD
Retailer 12$1,544 USD
Brilliant Earth$2,730 USD

39 data points across 19 retailers

26 retailers$290 USD to $2,730 USD

A
Cheapest Retailer
-
$290 USD
A
Retailer 2
-
$323 USD
View
A
Retailer 3
-
$336 USD
View
A
Retailer 4
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$355 USD
View
A
Retailer 5
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$416 USD
View
A
Retailer 6
-
$422 USD
HK$3,300 HKD
View
A
Retailer 7
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$578 USD
€550 EUR
View
A
Retailer 8
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$603 USD
View
A
Retailer 9
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$610 USD
ZAR 9,854 ZAR
View
A
Retailer 10
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$616 USD
£485 GBP
View
Price last confirmed 21 days ago
A
Retailer 11
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$629 USD
£495 GBP
View
A
Retailer 12
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$657 USD
View
A
Retailer 13
-
$660 USD
View
A
Retailer 14
-
$688 USD
A$1,058 AUD
View
B+
Retailer 15
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$806 USD
View
B+
Retailer 16
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$872 USD
A$1,342 AUD
View
B+
Retailer 17
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$1,008 USD
SGD 1,362 SGD
View
B+
Retailer 18
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$1,008 USD
View
B+
Retailer 19
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$1,155 USD
View
B+
Retailer 20
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$1,204 USD
View
B+
Retailer 21
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$1,350 USD
View
B+
Retailer 22
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$1,351 USD
View
B+
Retailer 23
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$1,457 USD
£1,147 GBP
View
B
Retailer 24
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$1,480 USD
View
B
Retailer 25
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$1,544 USD
A$2,376 AUD
View
Most Expensive
B
Brilliant Earth
9670545A · Sep 29
$2,730 USD
View
25 more retailers have this diamond
Prices start from $290 USDSave up to $2,440 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
1.09ct Marquise
$290 USD