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Round|Lab Grown|IGI

1.27ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG729571877

Shape and cutting style on the report: Round brilliant

Certificate IGI LG729571877

Diamond specifications and retailer prices

From $216 USD
As of October 29, 2026
Save $2,070 USD (91%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $2,286 USD at Queensmith · As of October 27, 2026
View at Queensmith

About this 1.27ct lab-grown round diamond

This 1.27ct lab-grown round 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 LG729571877 or 729571877. Listed at 22 retailers as of October 27, 2026, with prices from $216 to $2,286, a $2,070 spread on the same certified stone. Queensmith lists it at $2,286. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.27
Carat
E
Color
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG729571877
Dimensions6.91 × 6.99 × 4.29 mm
L/W Ratio1.01
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
6.91 mm6.99 mm1.27 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG729571877
Side View
Table 58.0%Crown 35.7°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.8%

Caratlytics Score

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A+
Exceptional
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 29
Current: $495 USD|Low: $241 USD|High: $2,460 USD|Avg: $711 USD|-13.5%
Retailer 1
Retailer 2
Retailer 3
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Retailer 7
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Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
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Retailer 17
October 29, 2026
Retailer 15$241 USD
Retailer 16$294 USD
Retailer 4$360 USD
Retailer 11$460 USD
Retailer 9$480 USD
Retailer 10$487 USD
Retailer 1$495 USD
Retailer 3$512 USD
Retailer 14$695 USD
Retailer 2$700 USD
Retailer 8$867 USD
Retailer 17$914 USD
Retailer 6$919 USD
Retailer 12$1,074 USD
Retailer 13$1,205 USD
Retailer 5$1,244 USD
Retailer 7$1,650 USD

40 data points across 17 retailers

22 retailers$216 USD to $2,286 USD

A+
Cheapest Retailer
-
$216 USD
A
Retailer 2
-
$241 USD
View
Final sale: no returns
A
Retailer 3
-
$250 USD
View
A
Retailer 4
-
$268 USD
View
A
Retailer 5
-
$268 USD
View
A
Retailer 6
-
$294 USD
HK$2,300 HKD
View
B+
Retailer 7
-
$360 USD
View
A
Retailer 8
-
$460 USD
ZAR 7,430 ZAR
View
A
Retailer 9
-
$487 USD
€464 EUR
View
A
Retailer 10
-
$495 USD
£390 GBP
View
A
Retailer 11
-
$512 USD
View
A
Retailer 12
-
$695 USD
View
A
Retailer 13
-
$700 USD
View
A
Retailer 14
-
$861 USD
View
B+
Retailer 15
-
$867 USD
SGD 1,171 SGD
View
B+
Retailer 16
-
$914 USD
View
B+
Retailer 17
-
$919 USD
View
B+
Retailer 18
-
$1,074 USD
£846 GBP
View
B+
Retailer 19
-
$1,205 USD
View
Price last confirmed 11 days ago
B+
Retailer 20
-
$1,244 USD
View
B+
Retailer 21
-
$1,650 USD
View
Most Expensive
B
Queensmith
LG729571877 · Oct 27
$2,286 USD
£1,800 GBP
View
21 more retailers have this diamond
Prices start from $216 USDSave up to $2,070 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 Round
$216 USD