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Round|Lab Grown|IGI

1.58ct F IF Round Lab Grown Diamond

ID • F/IF • IGI LG815643990

Shape and cutting style on the report: Round brilliant

Certificate IGI LG815643990

Diamond specifications and retailer prices

From $445 SGD
$348 USD
As of November 1, 2026
Save $4,389 SGD (91%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $4,834 SGD at Brilliant Earth · As of November 2, 2026
View at Brilliant Earth

About this 1.58ct lab-grown round diamond

This 1.58ct 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 LG815643990 or 815643990. Listed at 24 retailers as of November 1, 2026, with prices from $445 to $4,834, a $4,389 spread on the same certified stone. Brilliant Earth lists it at $4,834. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.58
Carat
F
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG815643990
Dimensions7.53 × 7.51 × 4.52 mm
L/W Ratio1.00
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.53 mm7.51 mm1.58 ctF / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG815643990
Side View
Table 59.0%Crown 34°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.1%

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: Nov 1
Current: $4,834 SGD|Low: $432 SGD|High: $4,834 SGD|Avg: $1,492 SGD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
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Retailer 11
Retailer 12
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Retailer 22
November 2, 2026
Retailer 21$445 SGD
Retailer 10$517 SGD
Retailer 3$552 SGD
Retailer 14$552 SGD
Retailer 22$742 SGD
Retailer 20$748 SGD
Retailer 13$783 SGD
Retailer 2$872 SGD
Retailer 5$881 SGD
Retailer 16$952 SGD
Retailer 17$981 SGD
Retailer 6$1,202 SGD
Retailer 19$1,281 SGD
Retailer 18$1,289 SGD
Retailer 7$1,774 SGD
Retailer 8$1,792 SGD
Retailer 12$1,828 SGD
Retailer 9$2,085 SGD
Retailer 4$2,159 SGD
Retailer 11$2,393 SGD
Retailer 15$2,519 SGD
Brilliant Earth$4,834 SGD

33 data points across 22 retailers

24 retailers$445 SGD to $4,834 SGD

A
Cheapest Retailer
-
$445 SGD
$348 USD
A
Retailer 2
-
$517 SGD
$404 USD
View
A
Retailer 3
-
$552 SGD
$432 USD
View
Retailer 4
-
$552 SGD
$432 USD
View
Price last confirmed 8 days ago
A
Retailer 5
-
$622 SGD
HK$3,800 HKD
View
A
Retailer 6
-
$742 SGD
$580 USD
View
A
Retailer 7
-
$748 SGD
$585 USD
View
A
Retailer 8
-
$783 SGD
£482 GBP
View
A
Retailer 9
-
$872 SGD
€649 EUR
View
A
Retailer 10
-
$881 SGD
$689 USD
View
A
Retailer 11
-
$952 SGD
ZAR 12,021 ZAR
View
A
Retailer 12
-
$981 SGD
£604 GBP
View
B+
Retailer 13
-
$1,202 SGD
$940 USD
View
B+
Retailer 14
-
$1,281 SGD
A$1,541 AUD
View
B+
Retailer 15
-
$1,289 SGD
$1,008 USD
View
B+
Retailer 16
-
$1,774 SGD
$1,387 USD
View
B
Retailer 17
-
$1,792 SGD
View
B
Retailer 18
-
$1,828 SGD
$1,429 USD
View
B
Retailer 19
-
$1,963 SGD
$1,535 USD
View
B
Retailer 20
-
$2,085 SGD
$1,630 USD
View
Retailer 21
-
$2,159 SGD
£1,329 GBP
View
Price last confirmed 8 days ago
B
Retailer 22
-
$2,393 SGD
$1,871 USD
View
Retailer 23
-
$2,519 SGD
$1,970 USD
View
Price last confirmed 12 days ago
Most Expensive
B
Brilliant Earth
20763342A · Nov 2
$4,834 SGD
$3,780 USD
View
23 more retailers have this diamond
Prices start from $445 SGDSave up to $4,389 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
1.58ct Round
$445 SGD