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Round|Lab Grown|IGI

1.55ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG807645112

Shape and cutting style on the report: Round brilliant

Certificate IGI LG807645112

Diamond specifications and retailer prices

From $419 SGD
$328 USD
As of October 29, 2026
Save $3,096 SGD (88%) vs most expensive(unlock to see where)
20 retailers carry this diamond
Most expensive: $3,516 SGD at Brilliant Earth · As of October 30, 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 D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG807645112 or 807645112. Listed at 20 retailers as of October 29, 2026, with prices from $419 to $3,516, a $3,096 spread on the same certified stone. Brilliant Earth lists it at $3,516. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.55
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG807645112
Dimensions7.40 × 7.37 × 4.56 mm
L/W Ratio1.00
Girdle conditionFaceted
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
7.40 mm7.37 mm1.55 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG807645112
Side View
Table 58.0%Crown 35°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.8%

Caratlytics Score

How it works →
A+
Exceptional
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $3,516 SGD|Low: $419 SGD|High: $5,254 SGD|Avg: $1,121 SGD|-33.1%
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
October 31, 2026
Retailer 16$419 SGD
Retailer 4$469 SGD
Retailer 13$486 SGD
Retailer 9$519 SGD
Retailer 10$523 SGD
Retailer 11$573 SGD
Retailer 14$667 SGD
Retailer 6$697 SGD
Retailer 8$716 SGD
Retailer 18$831 SGD
Retailer 19$850 SGD
Retailer 5$892 SGD
Retailer 15$924 SGD
Retailer 3$1,210 SGD
Retailer 12$1,523 SGD
Retailer 7$1,657 SGD
Retailer 2$1,668 SGD
Retailer 17$2,091 SGD
Brilliant Earth$3,516 SGD

17 data points across 19 retailers

20 retailers$419 SGD to $3,516 SGD

A+
Cheapest Retailer
-
$419 SGD
$328 USD
A
Retailer 2
-
$469 SGD
$367 USD
View
Final sale: no returns
A
Retailer 3
-
$486 SGD
$380 USD
View
A
Retailer 4
-
$519 SGD
$406 USD
View
A
Retailer 5
-
$523 SGD
$409 USD
View
A
Retailer 6
-
$573 SGD
HK$3,500 HKD
View
A
Retailer 7
-
$667 SGD
£411 GBP
View
A
Retailer 8
-
$697 SGD
$545 USD
View
A
Retailer 9
-
$716 SGD
$560 USD
View
A
Retailer 10
-
$831 SGD
€619 EUR
View
A
Retailer 11
-
$850 SGD
$665 USD
View
A
Retailer 12
-
$892 SGD
ZAR 11,273 ZAR
View
A
Retailer 13
-
$924 SGD
£569 GBP
View
A
Retailer 14
-
$1,210 SGD
A$1,456 AUD
View
B+
Retailer 15
-
$1,523 SGD
$1,191 USD
View
B+
Retailer 16
-
$1,657 SGD
View
B+
Retailer 17
-
$1,668 SGD
$1,305 USD
View
B+
Retailer 18
-
$1,920 SGD
$1,502 USD
View
B+
Retailer 19
-
$2,091 SGD
£1,288 GBP
View
Most Expensive
B
Brilliant Earth
20090410A · Oct 30
$3,516 SGD
$2,750 USD
View
19 more retailers have this diamond
Prices start from $419 SGDSave up to $3,096 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
$419 SGD