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Marquise|Lab Grown|IGI

1.27ct D FL Marquise Lab Grown Diamond

ID • D/FL • IGI LG790666443

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG790666443

Diamond specifications and retailer prices

From $1,054 USD
As of November 2, 2026
Save $3,213 USD (75%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $4,267 USD at Taylor and Hart · As of October 31, 2026
View at Taylor and Hart

About this 1.27ct lab-grown marquise diamond

This 1.27ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG790666443 or 790666443. Listed at 22 retailers as of October 31, 2026, with prices from $1,054 to $4,267, a $3,213 spread on the same certified stone. Taylor and Hart lists it at $4,267. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
D
Color
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.5°
Pavilion angle39.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG790666443
Dimensions11.24 × 5.57 × 3.45 mm
L/W Ratio2.02
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
11.24 mm5.57 mm1.27 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG790666443
Side View
Table 62.0%Crown 35.5°Girdle: MED-STKPavilion 39.2°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
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: $2,356 USD|Low: $1,015 USD|High: $4,275 USD|Avg: $2,274 USD|+4.0%
Retailer 1
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Retailer 20
Taylor and Hart
November 2, 2026
Retailer 17$1,054 USD
Retailer 8$1,146 USD
Retailer 3$1,179 USD
Retailer 19$1,222 USD
Retailer 10$1,224 USD
Retailer 2$1,395 USD
Retailer 16$1,412 USD
Retailer 9$1,728 USD
Retailer 15$1,748 USD
Retailer 12$1,770 USD
Retailer 20$2,158 USD
Retailer 5$2,246 USD
Retailer 7$2,291 USD
Retailer 1$2,356 USD
Retailer 13$2,575 USD
Retailer 4$3,368 USD
Retailer 11$3,450 USD
Retailer 18$3,917 USD
Retailer 6$4,094 USD
Retailer 14$4,144 USD
Taylor and Hart$4,267 USD

36 data points across 21 retailers

22 retailers$1,054 USD to $4,267 USD

A
Cheapest Retailer
-
$1,054 USD
B+
Retailer 2
-
$1,146 USD
View
B+
Retailer 3
-
$1,179 USD
View
Final sale: no returns
B+
Retailer 4
-
$1,222 USD
View
Retailer 5
-
$1,224 USD
View
Price last confirmed 16 days ago
B+
Retailer 6
-
$1,395 USD
View
B+
Retailer 7
-
$1,412 USD
View
B+
Retailer 8
-
$1,421 USD
HK$11,100 HKD
View
B+
Retailer 9
-
$1,728 USD
A$2,658 AUD
View
B+
Retailer 10
-
$1,748 USD
View
B+
Retailer 11
-
$1,770 USD
£1,393 GBP
View
B
Retailer 12
-
$2,158 USD
€2,055 EUR
View
B+
Retailer 13
-
$2,246 USD
ZAR 36,292 ZAR
View
B+
Retailer 14
-
$2,291 USD
View
B
Retailer 15
-
$2,356 USD
View
Retailer 16
-
$2,575 USD
View
Price last confirmed 26 days ago
B
Retailer 17
-
$3,368 USD
£2,652 GBP
View
B
Retailer 18
-
$3,450 USD
View
B
Retailer 19
-
$3,917 USD
View
B
Retailer 20
-
$4,094 USD
SGD 5,533 SGD
View
B
Retailer 21
-
$4,144 USD
£3,263 GBP
View
Most Expensive
B
Taylor and Hart
C0FQK8M · Oct 31
$4,267 USD
View
21 more retailers have this diamond
Prices start from $1,054 USDSave up to $3,213 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
1.27ct Marquise
$1,054 USD