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Round|Lab Grown|IGI

1.81ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG712551704

Shape and cutting style on the report: Round brilliant

Certificate IGI LG712551704

Diamond specifications and retailer prices

From $875 SGD
$683 USD
As of October 29, 2026
Save $5,546 SGD (86%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $6,421 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.81ct lab-grown round diamond

This 1.81ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG712551704 or 712551704. Listed at 24 retailers as of October 29, 2026, with prices from $875 to $6,421, a $5,546 spread on the same certified stone. Brilliant Earth lists it at $6,421. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.81
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG712551704
Dimensions7.85 × 7.90 × 4.78 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
7.85 mm7.90 mm1.81 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG712551704
Side View
Table 57.0%Crown 33.5°Girdle: MediumPavilion 40.8°Culet: NoneDepth 60.7%

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: $6,421 SGD|Low: $952 SGD|High: $6,421 SGD|Avg: $2,347 SGD
Brilliant Earth
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
October 30, 2026
Retailer 6$952 SGD
Retailer 7$979 SGD
Retailer 10$1,243 SGD
Retailer 5$1,341 SGD
Retailer 2$1,621 SGD
Retailer 8$1,653 SGD
Retailer 3$1,655 SGD
Retailer 9$1,867 SGD
Retailer 12$2,528 SGD
Retailer 14$2,595 SGD
Retailer 15$3,288 SGD
Retailer 4$3,421 SGD
Retailer 13$3,512 SGD
Retailer 11$4,286 SGD
Brilliant Earth$6,421 SGD

44 data points across 15 retailers

24 retailers$875 SGD to $6,421 SGD

A
Cheapest Retailer
-
$875 SGD
$683 USD
A
Retailer 2
-
$952 SGD
$743 USD
View
A
Retailer 3
-
$979 SGD
$764 USD
View
Final sale: no returns
Retailer 4
-
$1,016 SGD
$793 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$1,016 SGD
$793 USD
View
A
Retailer 6
-
$1,181 SGD
HK$7,200 HKD
View
A
Retailer 7
-
$1,243 SGD
$970 USD
View
A
Retailer 8
-
$1,341 SGD
$1,046 USD
View
B+
Retailer 9
-
$1,621 SGD
£996 GBP
View
B+
Retailer 10
-
$1,653 SGD
€1,228 EUR
View
B+
Retailer 11
-
$1,655 SGD
$1,291 USD
View
B+
Retailer 12
-
$1,709 SGD
$1,333 USD
View
B+
Retailer 13
-
$1,867 SGD
ZAR 23,537 ZAR
View
Retailer 14
-
$2,528 SGD
A$3,034 AUD
View
Price last confirmed 8 days ago
B+
Retailer 15
-
$2,595 SGD
$2,025 USD
View
B
Retailer 16
-
$2,857 SGD
$2,229 USD
View
B+
Retailer 17
-
$3,288 SGD
$2,565 USD
View
B
Retailer 18
-
$3,421 SGD
View
B
Retailer 19
-
$3,466 SGD
$2,704 USD
View
B
Retailer 20
-
$3,504 SGD
$2,734 USD
View
B
Retailer 21
-
$3,507 SGD
$2,736 USD
View
B
Retailer 22
-
$3,512 SGD
$2,740 USD
View
B
Retailer 23
-
$4,286 SGD
£2,633 GBP
View
Most Expensive
B
Brilliant Earth
19056412A · Oct 29
$6,421 SGD
$5,010 USD
View
23 more retailers have this diamond
Prices start from $875 SGDSave up to $5,546 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
1.81ct Round
$875 SGD