Radiant|Lab Grown|IGI

1.27ct E VVS1 Radiant Lab Grown Diamond

EX • E/VVS1 • IGI LG671404945

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG671404945

Diamond specifications and retailer prices

From $270 USD
As of October 27, 2026
Save $1,323 USD (83%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $1,593 USD at Taylor and Hart · As of October 29, 2026
View at Taylor and Hart

About this 1.27ct lab-grown radiant diamond

This 1.27ct lab-grown radiant sits in the one-and-a-quarter to one-and-a-half carat band, graded E colour (colourless) and VVS1 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG671404945 or 671404945. Listed at 23 retailers as of October 27, 2026, with prices from $270 to $1,593, a $1,323 spread on the same certified stone. Taylor and Hart lists it at $1,593. 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
VVS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle43°
Pavilion angle34.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG671404945
Dimensions7.75 × 5.32 × 3.55 mm
L/W Ratio1.46
Culet sizePointed
Top View
7.75 mm5.32 mm1.27 ctE / VVS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG671404945
Side View
Table 64.0%Crown 43°Girdle: MediumPavilion 34.2°Culet: NoneDepth 66.7%

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 27
Current: $587 USD|Low: $184 USD|High: $1,593 USD|Avg: $718 USD|+3.2%
Retailer 1
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
Taylor and Hart
October 29, 2026
Retailer 4$184 USD
Retailer 13$270 USD
Retailer 3$301 USD
Retailer 14$334 USD
Retailer 2$555 USD
Retailer 10$555 USD
Retailer 9$574 USD
Retailer 1$587 USD
Retailer 11$594 USD
Retailer 6$627 USD
Retailer 8$813 USD
Retailer 12$1,027 USD
Retailer 5$1,204 USD
Retailer 7$1,347 USD
Taylor and Hart$1,593 USD

41 data points across 15 retailers

23 retailers$270 USD to $1,593 USD

Retailer 1
-
$270 USD
Price last confirmed 21 days ago
Retailer 2
-
$270 USD
View
Price last confirmed 10 days ago
A
Retailer 3
-
$270 USD
View
A
Retailer 4
-
$301 USD
View
Final sale: no returns
Retailer 5
-
$313 USD
View
Price last confirmed 32 days ago
Retailer 6
-
$334 USD
View
Price last confirmed 26 days ago
A
Retailer 7
-
$334 USD
View
Retailer 8
-
$334 USD
View
Price last confirmed 10 days ago
B+
Retailer 9
-
$555 USD
View
B+
Retailer 10
-
$555 USD
View
B+
Retailer 11
-
$574 USD
ZAR 9,279 ZAR
View
B+
Retailer 12
-
$587 USD
£462 GBP
View
B+
Retailer 13
-
$594 USD
€566 EUR
View
B+
Retailer 14
-
$627 USD
View
Retailer 15
-
$812 USD
A$1,249 AUD
View
Price last confirmed 32 days ago
B+
Retailer 16
-
$813 USD
A$1,251 AUD
View
B
Retailer 17
-
$1,027 USD
View
Retailer 18
-
$1,075 USD
View
Price last confirmed 29 days ago
Retailer 19
-
$1,075 USD
View
Price last confirmed 10 days ago
B
Retailer 20
-
$1,075 USD
View
B
Retailer 21
-
$1,262 USD
SGD 1,705 SGD
View
B
Retailer 22
-
$1,347 USD
£1,061 GBP
View
Most Expensive
B
Taylor and Hart
UP0Y5PM · Oct 29
$1,593 USD
View
22 more retailers have this diamond
Prices start from $270 USDSave up to $1,323 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 Radiant
$270 USD