Round|Lab Grown|IGI

1.55ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG801631915

Shape and cutting style on the report: Round brilliant

Certificate IGI LG801631915

Diamond specifications and retailer prices

From $606 SGD
HK$3,700 HKD
As of November 1, 2026
Save $4,139 SGD (87%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $4,745 SGD at Brilliant Earth · As of October 31, 2026
View at Brilliant Earth

About this 1.55ct lab-grown round diamond

This 1.55ct lab-grown round sits in the one-and-a-half to two carat band, graded F colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG801631915 or 801631915. Listed at 23 retailers as of October 31, 2026, with prices from $606 to $4,745, a $4,139 spread on the same certified stone. Brilliant Earth lists it at $4,745. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG801631915
Dimensions7.55 × 7.59 × 4.46 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.55 mm7.59 mm1.55 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG801631915
Side View
Table 59.0%Crown 33°Girdle: MediumPavilion 40.3°Culet: NoneDepth 59.0%

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 1
Current: $4,745 SGD|Low: $434 SGD|High: $4,745 SGD|Avg: $1,536 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
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
November 2, 2026
Retailer 9$442 SGD
Retailer 12$560 SGD
Retailer 4$606 SGD
Retailer 20$732 SGD
Retailer 16$735 SGD
Retailer 2$861 SGD
Retailer 3$876 SGD
Retailer 13$945 SGD
Retailer 14$974 SGD
Retailer 8$1,163 SGD
Retailer 18$1,272 SGD
Retailer 17$1,274 SGD
Retailer 10$1,765 SGD
Retailer 5$1,770 SGD
Retailer 7$1,816 SGD
Retailer 11$2,074 SGD
Retailer 15$2,141 SGD
Retailer 6$2,365 SGD
Retailer 19$2,513 SGD
Brilliant Earth$4,745 SGD

33 data points across 20 retailers

23 retailers$606 SGD to $4,745 SGD

Retailer 1
-
$442 SGD
$346 USD
Price last confirmed 15 days ago
Retailer 2
-
$524 SGD
$410 USD
View
Price last confirmed 20 days ago
Retailer 3
-
$560 SGD
$438 USD
View
Price last confirmed 17 days ago
Retailer 4
-
$560 SGD
$438 USD
View
Price last confirmed 31 days ago
A
Retailer 5
-
$606 SGD
HK$3,700 HKD
View
A
Retailer 6
-
$732 SGD
$572 USD
View
A
Retailer 7
-
$735 SGD
$575 USD
View
A
Retailer 8
-
$861 SGD
€641 EUR
View
A
Retailer 9
-
$876 SGD
$685 USD
View
A
Retailer 10
-
$945 SGD
ZAR 11,937 ZAR
View
A
Retailer 11
-
$974 SGD
£599 GBP
View
B+
Retailer 12
-
$1,163 SGD
$909 USD
View
B+
Retailer 13
-
$1,272 SGD
A$1,530 AUD
View
B+
Retailer 14
-
$1,274 SGD
$996 USD
View
Retailer 15
-
$1,765 SGD
$1,380 USD
View
Price last confirmed 15 days ago
B+
Retailer 16
-
$1,770 SGD
View
B+
Retailer 17
-
$1,816 SGD
$1,420 USD
View
B
Retailer 18
-
$1,973 SGD
$1,543 USD
View
B
Retailer 19
-
$2,074 SGD
$1,622 USD
View
B+
Retailer 20
-
$2,141 SGD
£1,318 GBP
View
B
Retailer 21
-
$2,365 SGD
$1,849 USD
View
B
Retailer 22
-
$2,513 SGD
$1,965 USD
View
Most Expensive
B
Brilliant Earth
20215681A · Oct 31
$4,745 SGD
$3,710 USD
View
22 more retailers have this diamond
Prices start from $606 SGDSave up to $4,139 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
1.55ct Round
$606 SGD