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Round|Lab Grown|IGI

1.27ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG769654085

Shape and cutting style on the report: Round brilliant

Certificate IGI LG769654085

Diamond specifications and retailer prices

From $202 USD
As of October 29, 2026
Save $999 USD (83%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $1,201 USD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

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 SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG769654085 or 769654085. Listed at 20 retailers as of October 29, 2026, with prices from $202 to $1,201, a $999 spread on the same certified stone. Reve Diamonds lists it at $1,201. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

1.27
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG769654085
Dimensions6.99 × 6.95 × 4.26 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
6.99 mm6.95 mm1.27 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG769654085
Side View
Table 59.0%Crown 35.1°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.1%

Caratlytics Score

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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 29
Current: $489 USD|Low: $193 USD|High: $1,201 USD|Avg: $534 USD|-0.1%
Retailer 1
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Retailer 3
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Retailer 12
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Retailer 16
Reve Diamonds
November 1, 2026
Retailer 6$202 USD
Retailer 12$225 USD
Retailer 14$235 USD
Retailer 2$251 USD
Retailer 16$251 USD
Retailer 3$435 USD
Retailer 9$456 USD
Retailer 10$476 USD
Retailer 1$489 USD
Retailer 15$498 USD
Retailer 11$525 USD
Retailer 8$620 USD
Retailer 4$675 USD
Retailer 7$806 USD
Retailer 5$860 USD
Retailer 13$1,175 USD
Reve Diamonds$1,201 USD

34 data points across 17 retailers

20 retailers$202 USD to $1,201 USD

A
Cheapest Retailer
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$202 USD
A
Retailer 2
-
$225 USD
View
Final sale: no returns
A
Retailer 3
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$235 USD
View
A
Retailer 4
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$251 USD
View
A
Retailer 5
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$251 USD
View
A
Retailer 6
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$415 USD
View
B+
Retailer 7
-
$435 USD
View
B+
Retailer 8
-
$456 USD
£359 GBP
View
B+
Retailer 9
-
$476 USD
€453 EUR
View
B+
Retailer 10
-
$489 USD
£385 GBP
View
Retailer 11
-
$489 USD
View
Price last confirmed 90 days ago
B+
Retailer 12
-
$498 USD
View
B+
Retailer 13
-
$525 USD
A$808 AUD
View
B+
Retailer 14
-
$620 USD
View
B
Retailer 15
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$675 USD
View
Retailer 16
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$800 USD
View
Price last confirmed 41 days ago
B
Retailer 17
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$806 USD
View
B
Retailer 18
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$860 USD
View
B
Retailer 19
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$1,175 USD
£925 GBP
View
Most Expensive
B
Reve Diamonds
219DAB444 · Oct 30
$1,201 USD
View
19 more retailers have this diamond
Prices start from $202 USDSave up to $999 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
$202 USD