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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 $258 SGD
As of November 5, 2026
Save $1,276 SGD (83%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,534 SGD at Reve Diamonds · As of November 4, 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 22 retailers as of November 4, 2026, with prices from $258 to $1,534, a $1,276 spread on the same certified stone. Reve Diamonds lists it at $1,534. 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
Colour
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: Nov 5
Current: $581 SGD|Low: $257 SGD|High: $1,534 SGD|Avg: $689 SGD|+4.1%
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
Retailer 15
Retailer 16
Reve Diamonds
November 6, 2026
Retailer 7$258 SGD
Retailer 15$287 SGD
Retailer 16$300 SGD
Retailer 3$321 SGD
Retailer 4$321 SGD
Retailer 5$556 SGD
Retailer 1$581 SGD
Retailer 12$609 SGD
Retailer 9$619 SGD
Retailer 2$636 SGD
Retailer 14$671 SGD
Retailer 10$792 SGD
Retailer 8$1,030 SGD
Retailer 11$1,033 SGD
Retailer 6$1,097 SGD
Retailer 13$1,497 SGD
Reve Diamonds$1,534 SGD

33 data points across 17 retailers

22 retailers$258 SGD to $1,534 SGD

A
Cheapest Retailer
-
$258 SGD
A
Retailer 2
-
$287 SGD
View
Final sale: no returns
A
Retailer 3
-
$300 SGD
View
A
Retailer 4
-
$321 SGD
View
Retailer 5
-
$321 SGD
View
Price last confirmed 12 days ago
A
Retailer 6
-
$530 SGD
View
B+
Retailer 7
-
$556 SGD
View
B+
Retailer 8
-
$581 SGD
View
B+
Retailer 9
-
$609 SGD
View
B+
Retailer 10
-
$619 SGD
View
Retailer 11
-
$625 SGD
View
Price last confirmed 95 days ago
B+
Retailer 12
-
$636 SGD
View
B+
Retailer 13
-
$671 SGD
View
B+
Retailer 14
-
$792 SGD
View
B+
Retailer 15
-
$792 SGD
View
B
Retailer 16
-
$879 SGD
View
Retailer 17
-
$1,022 SGD
View
Price last confirmed 46 days ago
B
Retailer 18
-
$1,030 SGD
View
B
Retailer 19
-
$1,033 SGD
View
B
Retailer 20
-
$1,097 SGD
View
B
Retailer 21
-
$1,497 SGD
View
Most Expensive
B
Reve Diamonds
219DAB444 · Nov 4
$1,534 SGD
$1,201 USD
View
21 more retailers have this diamond
Prices start from $258 SGDSave up to $1,276 SGD

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
$258 SGD