Round|Lab Grown|IGI

1.27ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG731501040

Shape and cutting style on the report: Round brilliant

Certificate IGI LG731501040

Diamond specifications and retailer prices

From $213 USD
As of October 28, 2026
Save $953 USD (82%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,215 USD at Rare Carat · As of October 18, 2026
View at Rare Carat

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 LG731501040 or 731501040. Listed at 20 retailers as of October 28, 2026, with a 447% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. 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 angle35.9°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG731501040
Dimensions6.93 × 6.89 × 4.31 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
6.93 mm6.89 mm1.27 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG731501040
Side View
Table 57.0%Crown 35.9°Girdle: MediumPavilion 40.8°Culet: NoneDepth 62.4%

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 28
Current: $1,215 USD|Low: $213 USD|High: $1,225 USD|Avg: $613 USD|-0.8%
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
October 29, 2026
Retailer 13$213 USD
Retailer 6$250 USD
Retailer 11$330 USD
Retailer 8$385 USD
Retailer 9$407 USD
Retailer 2$429 USD
Retailer 3$485 USD
Retailer 10$579 USD
Retailer 4$692 USD
Retailer 12$765 USD
Retailer 5$816 USD
Retailer 7$1,114 USD
Retailer 14$1,166 USD
Rare Carat$1,215 USD

42 data points across 14 retailers

20 retailers$213 USD to $1,166 USD

Retailer 1
-
$184 USD
Price last confirmed 22 days ago
Retailer 2
-
$204 USD
View
Price last confirmed 37 days ago
A
Retailer 3
-
$213 USD
View
Final sale: no returns
Retailer 4
-
$237 USD
View
Price last confirmed 37 days ago
Retailer 5
-
$237 USD
View
Price last confirmed 27 days ago
Retailer 6
-
$250 USD
View
Price last confirmed 38 days ago
B+
Retailer 7
-
$330 USD
View
A
Retailer 8
-
$385 USD
£303 GBP
View
A
Retailer 9
-
$407 USD
ZAR 6,577 ZAR
View
A
Retailer 10
-
$429 USD
£338 GBP
View
A
Retailer 11
-
$485 USD
View
A
Retailer 12
-
$579 USD
A$890 AUD
View
A
Retailer 13
-
$692 USD
View
Retailer 14
-
$762 USD
View
Price last confirmed 26 days ago
A
Retailer 15
-
$765 USD
View
Retailer 16
-
$815 USD
View
Price last confirmed 39 days ago
B+
Retailer 17
-
$816 USD
View
B+
Retailer 18
-
$1,114 USD
£877 GBP
View
B+
Retailer 19
-
$1,166 USD
View
Most Expensive
Rare Carat
GD17588_l_731501040 · Oct 18
$1,215 USD
View
Price last confirmed 11 days ago
19 more retailers have this diamond
Prices start from $213 USDSave up to $953 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
$213 USD