Round|Lab Grown|IGI

1.27ct E VS1 Round Lab Grown Diamond

EX • E/VS1 • IGI LG818645228

Shape and cutting style on the report: Round brilliant

Certificate IGI LG818645228

Diamond specifications and retailer prices

From $201 USD
As of October 29, 2026
Save $994 USD (83%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $2,045 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 VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG818645228 or 818645228. Listed at 24 retailers as of October 28, 2026, with a 495% 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
VS1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG818645228
Dimensions7.00 × 7.09 × 4.17 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.00 mm7.09 mm1.27 ctE / VS1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG818645228
Side View
Table 61.0%Crown 33.4°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 59.3%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $2,045 USD|Low: $193 USD|High: $2,045 USD|Avg: $627 USD
Queensmith
Retailer 2
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Retailer 24
October 29, 2026
Retailer 3$201 USD
Retailer 14$225 USD
Retailer 15$233 USD
Retailer 6$249 USD
Retailer 7$249 USD
Retailer 4$282 USD
Retailer 9$335 USD
Retailer 2$417 USD
Retailer 18$418 USD
Retailer 20$427 USD
Retailer 5$431 USD
Retailer 19$452 USD
Retailer 8$496 USD
Retailer 22$515 USD
Retailer 21$608 USD
Retailer 11$800 USD
Retailer 23$802 USD
Retailer 16$808 USD
Retailer 17$844 USD
Retailer 12$853 USD
Retailer 24$1,070 USD
Retailer 13$1,170 USD
Retailer 10$1,195 USD
Queensmith$2,045 USD

24 data points across 24 retailers

24 retailers$201 USD to $1,195 USD

A
Cheapest Retailer
-
$201 USD
A
Retailer 2
-
$225 USD
View
Final sale: no returns
A
Retailer 3
-
$233 USD
View
A
Retailer 4
-
$249 USD
View
A
Retailer 5
-
$249 USD
View
A
Retailer 6
-
$282 USD
HK$2,200 HKD
View
B+
Retailer 7
-
$335 USD
View
A
Retailer 8
-
$417 USD
€397 EUR
View
A
Retailer 9
-
$418 USD
£329 GBP
View
A
Retailer 10
-
$427 USD
ZAR 6,900 ZAR
View
B+
Retailer 11
-
$431 USD
View
B+
Retailer 12
-
$452 USD
£356 GBP
View
B+
Retailer 13
-
$496 USD
View
B+
Retailer 14
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$515 USD
View
Price last confirmed 11 days ago
B+
Retailer 15
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$608 USD
A$935 AUD
View
B
Retailer 16
-
$800 USD
View
B
Retailer 17
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$802 USD
View
B
Retailer 18
-
$808 USD
SGD 1,092 SGD
View
B
Retailer 19
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$844 USD
View
B
Retailer 20
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$853 USD
View
B
Retailer 21
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$1,070 USD
View
B
Retailer 22
-
$1,170 USD
£921 GBP
View
B
Retailer 23
-
$1,195 USD
View
Most Expensive
B
Queensmith
LG818645228 · Oct 27
$2,045 USD
£1,610 GBP
View
Price under review
23 more retailers have this diamond
Prices start from $201 USDSave up to $994 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
$201 USD