CaratHunter
Plans
Round|Lab Grown|IGI

1.51ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG674507997

Shape and cutting style on the report: Round brilliant

Certificate IGI LG674507997

Diamond specifications and retailer prices

From $494 SGD
$385 USD
As of October 29, 2026
Save $4,148 SGD (89%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $4,641 SGD at Brilliant Earth · As of October 28, 2026
View at Brilliant Earth

About this 1.51ct lab-grown round diamond

This 1.51ct 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 LG674507997 or 674507997. Listed at 24 retailers as of October 28, 2026, with prices from $494 to $4,641, a $4,148 spread on the same certified stone. Brilliant Earth lists it at $4,641. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.51
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG674507997
Dimensions7.44 × 7.39 × 4.51 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
7.44 mm7.39 mm1.51 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG674507997
Side View
Table 56.0%Crown 34°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.8%

Caratlytics Score

How it works →
A
Excellent
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: $4,641 SGD|Low: $314 SGD|High: $4,641 SGD|Avg: $1,305 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
October 29, 2026
Retailer 10$314 SGD
Retailer 2$494 SGD
Retailer 3$509 SGD
Retailer 12$545 SGD
Retailer 19$545 SGD
Retailer 14$777 SGD
Retailer 11$840 SGD
Retailer 13$867 SGD
Retailer 4$872 SGD
Retailer 7$877 SGD
Retailer 16$936 SGD
Retailer 18$969 SGD
Retailer 5$1,114 SGD
Retailer 15$1,264 SGD
Retailer 17$1,597 SGD
Retailer 6$1,805 SGD
Retailer 9$2,058 SGD
Retailer 8$2,114 SGD
Retailer 20$2,185 SGD
Brilliant Earth$4,641 SGD

29 data points across 20 retailers

24 retailers$494 SGD to $4,641 SGD

A
Retailer 1
-
$314 SGD
$245 USD
Price last confirmed 10 days ago
A
Retailer 2
-
$422 SGD
$329 USD
View
Price last confirmed 21 days ago
A
Retailer 3
-
$494 SGD
$385 USD
View
Final sale: no returns
A
Retailer 4
-
$509 SGD
$397 USD
View
Price last confirmed 20 days ago
A
Retailer 5
-
$509 SGD
$397 USD
View
A
Retailer 6
-
$545 SGD
$425 USD
View
Price last confirmed 26 days ago
A
Retailer 7
-
$545 SGD
$425 USD
View
A
Retailer 8
-
$777 SGD
£477 GBP
View
A
Retailer 9
-
$840 SGD
$655 USD
View
A
Retailer 10
-
$867 SGD
€644 EUR
View
A
Retailer 11
-
$872 SGD
$680 USD
View
A
Retailer 12
-
$877 SGD
$684 USD
View
A
Retailer 13
-
$936 SGD
ZAR 11,792 ZAR
View
A
Retailer 14
-
$969 SGD
£595 GBP
View
B+
Retailer 15
-
$1,114 SGD
$869 USD
View
B+
Retailer 16
-
$1,264 SGD
A$1,517 AUD
View
B
Retailer 17
-
$1,597 SGD
$1,246 USD
View
B
Retailer 18
-
$1,750 SGD
$1,365 USD
View
Price last confirmed 21 days ago
B
Retailer 19
-
$1,805 SGD
$1,408 USD
View
B
Retailer 20
-
$2,058 SGD
$1,605 USD
View
B
Retailer 21
-
$2,114 SGD
$1,649 USD
View
B
Retailer 22
-
$2,185 SGD
£1,342 GBP
View
B
Retailer 23
-
$2,556 SGD
$1,994 USD
View
Price last confirmed 63 days ago
Most Expensive
B
Brilliant Earth
14081461A · Oct 28
$4,641 SGD
$3,620 USD
View
23 more retailers have this diamond
Prices start from $494 SGDSave up to $4,148 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
1.51ct Round
$494 SGD