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Marquise|Lab Grown|IGI

1.25ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG773614839

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG773614839

Diamond specifications and retailer prices

From $373 USD
As of October 30, 2026
Save $1,697 USD (82%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $2,070 USD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.25ct lab-grown marquise diamond

This 1.25ct lab-grown marquise sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG773614839 or 773614839. Listed at 23 retailers as of October 30, 2026, with prices from $373 to $2,070, a $1,697 spread on the same certified stone. Brilliant Earth lists it at $2,070. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.25
Carat
E
Color
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG773614839
Dimensions11.08 × 5.68 × 3.50 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
11.08 mm5.68 mm1.25 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG773614839
Side View
Table 57.0%Crown 34.3°Girdle: MED-STKPavilion 39.4°Culet: NoneDepth 61.6%

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: Oct 30
Current: $2,070 USD|Low: $373 USD|High: $2,212 USD|Avg: $1,110 USD|-1.9%
Brilliant Earth
Retailer 2
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Retailer 23
October 31, 2026
Retailer 16$373 USD
Retailer 11$417 USD
Retailer 7$433 USD
Retailer 6$463 USD
Retailer 23$463 USD
Retailer 8$512 USD
Retailer 18$610 USD
Retailer 10$705 USD
Retailer 12$737 USD
Retailer 19$741 USD
Retailer 17$795 USD
Retailer 2$836 USD
Retailer 4$874 USD
Retailer 13$1,123 USD
Retailer 3$1,357 USD
Retailer 15$1,477 USD
Retailer 22$1,487 USD
Retailer 5$1,526 USD
Retailer 21$1,600 USD
Retailer 14$1,746 USD
Retailer 9$1,798 USD
Retailer 20$1,810 USD
Brilliant Earth$2,070 USD

39 data points across 23 retailers

23 retailers$373 USD to $2,070 USD

A
Cheapest Retailer
-
$373 USD
A
Retailer 2
-
$417 USD
View
Final sale: no returns
A
Retailer 3
-
$433 USD
View
A
Retailer 4
-
$463 USD
View
A
Retailer 5
-
$463 USD
View
A
Retailer 6
-
$512 USD
HK$4,000 HKD
View
A
Retailer 7
-
$610 USD
View
A
Retailer 8
-
$705 USD
View
A
Retailer 9
-
$737 USD
View
A
Retailer 10
-
$741 USD
€706 EUR
View
A
Retailer 11
-
$795 USD
ZAR 12,842 ZAR
View
A
Retailer 12
-
$836 USD
£658 GBP
View
A
Retailer 13
-
$874 USD
View
B+
Retailer 14
-
$1,123 USD
A$1,728 AUD
View
B+
Retailer 15
-
$1,357 USD
View
B+
Retailer 16
-
$1,477 USD
SGD 1,996 SGD
View
B+
Retailer 17
-
$1,487 USD
View
B+
Retailer 18
-
$1,526 USD
View
B+
Retailer 19
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$1,600 USD
View
B
Retailer 20
-
$1,746 USD
View
B
Retailer 21
-
$1,798 USD
£1,416 GBP
View
B+
Retailer 22
-
$1,810 USD
£1,425 GBP
View
Most Expensive
B
Brilliant Earth
19064494A · Oct 31
$2,070 USD
View
22 more retailers have this diamond
Prices start from $373 USDSave up to $1,697 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
1.25ct Marquise
$373 USD