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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 $474 USD
HK$3,700 HKD
As of November 1, 2026
Save $3,236 USD (87%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $3,710 USD 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 $474 to $3,710, a $3,236 spread on the same certified stone. Brilliant Earth lists it at $3,710. 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
Color
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: $3,710 USD|Low: $339 USD|High: $3,710 USD|Avg: $1,201 USD
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$346 USD
Retailer 12$438 USD
Retailer 4$474 USD
Retailer 20$572 USD
Retailer 16$575 USD
Retailer 2$673 USD
Retailer 3$685 USD
Retailer 13$739 USD
Retailer 14$761 USD
Retailer 8$909 USD
Retailer 18$995 USD
Retailer 17$996 USD
Retailer 10$1,380 USD
Retailer 5$1,384 USD
Retailer 7$1,420 USD
Retailer 11$1,622 USD
Retailer 15$1,674 USD
Retailer 6$1,849 USD
Retailer 19$1,965 USD
Brilliant Earth$3,710 USD

33 data points across 20 retailers

23 retailers$474 USD to $3,710 USD

Retailer 1
-
$346 USD
Price last confirmed 14 days ago
Retailer 2
-
$410 USD
View
Price last confirmed 20 days ago
Retailer 3
-
$438 USD
View
Price last confirmed 17 days ago
Retailer 4
-
$438 USD
View
Price last confirmed 30 days ago
A
Retailer 5
-
$474 USD
HK$3,700 HKD
View
A
Retailer 6
-
$572 USD
View
A
Retailer 7
-
$575 USD
View
A
Retailer 8
-
$673 USD
€641 EUR
View
A
Retailer 9
-
$685 USD
View
A
Retailer 10
-
$739 USD
ZAR 11,937 ZAR
View
A
Retailer 11
-
$761 USD
£599 GBP
View
B+
Retailer 12
-
$909 USD
View
B+
Retailer 13
-
$995 USD
A$1,530 AUD
View
B+
Retailer 14
-
$996 USD
View
Retailer 15
-
$1,380 USD
View
Price last confirmed 15 days ago
B+
Retailer 16
-
$1,384 USD
SGD 1,870 SGD
View
B+
Retailer 17
-
$1,420 USD
View
B
Retailer 18
-
$1,543 USD
View
B
Retailer 19
-
$1,622 USD
View
B+
Retailer 20
-
$1,674 USD
£1,318 GBP
View
B
Retailer 21
-
$1,849 USD
View
B
Retailer 22
-
$1,965 USD
View
Most Expensive
B
Brilliant Earth
20215681A · Oct 31
$3,710 USD
View
22 more retailers have this diamond
Prices start from $474 USDSave up to $3,236 USD

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
$474 USD