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Round|Lab Grown|IGI

1.43ct E SI1 Round Lab Grown Diamond

ID • E/SI1 • IGI LG770641607

Shape and cutting style on the report: Round brilliant

Certificate IGI LG770641607

Diamond specifications and retailer prices

From $286 SGD
$224 USD
As of October 29, 2026
Save $1,339 SGD (82%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: $1,625 SGD at Reve Diamonds · As of October 30, 2026
View at Reve Diamonds

About this 1.43ct lab-grown round diamond

This 1.43ct 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 LG770641607 or 770641607. Listed at 22 retailers as of October 29, 2026, with prices from $286 to $1,625, a $1,339 spread on the same certified stone. Reve Diamonds lists it at $1,625. 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

1.43
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770641607
Dimensions7.23 × 7.16 × 4.46 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
7.23 mm7.16 mm1.43 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG770641607
Side View
Table 56.0%Crown 35.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.9%

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: $695 SGD|Low: $284 SGD|High: $1,625 SGD|Avg: $739 SGD|+0.0%
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
Retailer 17
Retailer 18
Reve Diamonds
October 30, 2026
Retailer 8$286 SGD
Retailer 12$321 SGD
Retailer 15$332 SGD
Retailer 3$355 SGD
Retailer 4$355 SGD
Retailer 5$605 SGD
Retailer 17$653 SGD
Retailer 11$660 SGD
Retailer 14$673 SGD
Retailer 2$675 SGD
Retailer 1$695 SGD
Retailer 16$721 SGD
Retailer 18$754 SGD
Retailer 6$972 SGD
Retailer 9$1,143 SGD
Retailer 7$1,210 SGD
Retailer 10$1,278 SGD
Retailer 13$1,432 SGD
Reve Diamonds$1,625 SGD

34 data points across 19 retailers

22 retailers$286 SGD to $1,625 SGD

Retailer 1
-
$284 SGD
$222 USD
Price last confirmed 38 days ago
A
Retailer 2
-
$286 SGD
$224 USD
View
A
Retailer 3
-
$321 SGD
$251 USD
View
Final sale: no returns
A
Retailer 4
-
$332 SGD
$260 USD
View
Retailer 5
-
$348 SGD
$272 USD
View
Price last confirmed 39 days ago
A
Retailer 6
-
$355 SGD
$278 USD
View
A
Retailer 7
-
$355 SGD
$278 USD
View
B+
Retailer 8
-
$605 SGD
$473 USD
View
B+
Retailer 9
-
$653 SGD
$511 USD
View
B+
Retailer 10
-
$660 SGD
£406 GBP
View
B+
Retailer 11
-
$673 SGD
€501 EUR
View
B+
Retailer 12
-
$675 SGD
$528 USD
View
B+
Retailer 13
-
$695 SGD
£428 GBP
View
B+
Retailer 14
-
$721 SGD
A$868 AUD
View
B+
Retailer 15
-
$754 SGD
$590 USD
View
B
Retailer 16
-
$972 SGD
$760 USD
View
Retailer 17
-
$1,133 SGD
$886 USD
View
Price last confirmed 39 days ago
B
Retailer 18
-
$1,143 SGD
$894 USD
View
B
Retailer 19
-
$1,210 SGD
$947 USD
View
B
Retailer 20
-
$1,278 SGD
$1,000 USD
View
B
Retailer 21
-
$1,432 SGD
£882 GBP
View
Most Expensive
B
Reve Diamonds
9E01CE85A · Oct 30
$1,625 SGD
$1,271 USD
View
21 more retailers have this diamond
Prices start from $286 SGDSave up to $1,339 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
1.43ct Round
$286 SGD