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Oval|Lab Grown|IGI

1.09ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG770640922

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG770640922

Diamond specifications and retailer prices

From $228 SGD
$178 USD
As of October 29, 2026
Save $1,210 SGD (84%) vs most expensive(unlock to see where)
19 retailers carry this diamond
Most expensive: $1,438 SGD at Reve Diamonds · As of October 28, 2026
View at Reve Diamonds

About this 1.09ct lab-grown oval diamond

This 1.09ct lab-grown oval sits in the classic one-carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG770640922 or 770640922. Listed at 19 retailers as of October 28, 2026, with prices from $228 to $1,438, a $1,210 spread on the same certified stone. Reve Diamonds lists it at $1,438. 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

1.09
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770640922
Dimensions8.51 × 5.85 × 3.52 mm
L/W Ratio1.45
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
8.51 mm5.85 mm1.09 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770640922
Side View
Table 62.0%Crown 34.3°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 60.2%

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: $507 SGD|Low: $178 SGD|High: $1,438 SGD|Avg: $664 SGD|+5.6%
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
October 29, 2026
Retailer 5$228 SGD
Retailer 3$255 SGD
Retailer 11$264 SGD
Retailer 7$282 SGD
Retailer 16$282 SGD
Retailer 13$434 SGD
Retailer 15$501 SGD
Retailer 1$507 SGD
Retailer 10$541 SGD
Retailer 14$593 SGD
Retailer 12$640 SGD
Retailer 2$742 SGD
Retailer 8$756 SGD
Retailer 4$907 SGD
Retailer 6$977 SGD
Retailer 9$1,327 SGD
Reve Diamonds$1,438 SGD

45 data points across 17 retailers

19 retailers$228 SGD to $1,438 SGD

A
Retailer 1
-
$226 SGD
$176 USD
Price last confirmed 37 days ago
A
Retailer 2
-
$228 SGD
$178 USD
View
A
Retailer 3
-
$255 SGD
$199 USD
View
Final sale: no returns
A
Retailer 4
-
$264 SGD
$206 USD
View
A
Retailer 5
-
$277 SGD
$216 USD
View
Price last confirmed 37 days ago
A
Retailer 6
-
$282 SGD
$220 USD
View
A
Retailer 7
-
$282 SGD
$220 USD
View
A
Retailer 8
-
$434 SGD
$339 USD
View
A
Retailer 9
-
$501 SGD
$391 USD
View
A
Retailer 10
-
$507 SGD
£312 GBP
View
B+
Retailer 11
-
$541 SGD
€402 EUR
View
B+
Retailer 12
-
$593 SGD
$463 USD
View
B+
Retailer 13
-
$640 SGD
A$768 AUD
View
B
Retailer 14
-
$742 SGD
$579 USD
View
B+
Retailer 15
-
$756 SGD
$590 USD
View
B
Retailer 16
-
$907 SGD
$708 USD
View
B
Retailer 17
-
$977 SGD
$762 USD
View
B
Retailer 18
-
$1,327 SGD
£815 GBP
View
Most Expensive
B
Reve Diamonds
050915544 · Oct 28
$1,438 SGD
$1,122 USD
View
18 more retailers have this diamond
Prices start from $228 SGDSave up to $1,210 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
1.09ct Oval
$228 SGD