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Round|Lab Grown|IGI

1.91ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG825661306

Shape and cutting style on the report: Round brilliant

Certificate IGI LG825661306

Diamond specifications and retailer prices

From $633 SGD
$495 USD
As of October 29, 2026
Save $3,944 SGD (86%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $4,577 SGD at Brilliant Earth · As of October 30, 2026
View at Brilliant Earth

About this 1.91ct lab-grown round diamond

This 1.91ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and FL clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG825661306 or 825661306. Listed at 21 retailers as of October 29, 2026, with prices from $633 to $4,577, a $3,944 spread on the same certified stone. Brilliant Earth lists it at $4,577. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.91
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG825661306
Dimensions7.89 × 7.94 × 4.94 mm
L/W Ratio1.01
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
7.89 mm7.94 mm1.91 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG825661306
Side View
Table 57.0%Crown 36°Girdle: THN-MEDPavilion 40.6°Culet: NoneDepth 62.3%

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: $4,577 SGD|Low: $633 SGD|High: $4,577 SGD|Avg: $1,784 SGD
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
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Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
Retailer 17
Retailer 18
Retailer 19
Retailer 20
Retailer 21
October 30, 2026
Retailer 5$633 SGD
Retailer 18$708 SGD
Retailer 6$735 SGD
Retailer 10$785 SGD
Retailer 14$849 SGD
Retailer 17$965 SGD
Retailer 8$1,102 SGD
Retailer 20$1,221 SGD
Retailer 2$1,301 SGD
Retailer 15$1,302 SGD
Retailer 16$1,349 SGD
Retailer 3$1,826 SGD
Retailer 4$1,947 SGD
Retailer 11$2,065 SGD
Retailer 9$2,557 SGD
Retailer 7$2,699 SGD
Retailer 21$2,751 SGD
Retailer 19$2,809 SGD
Retailer 13$3,294 SGD
Retailer 12$4,455 SGD
Brilliant Earth$4,577 SGD

24 data points across 21 retailers

21 retailers$633 SGD to $4,577 SGD

A+
Cheapest Retailer
-
$633 SGD
$495 USD
A
Retailer 2
-
$708 SGD
$554 USD
View
A
Retailer 3
-
$735 SGD
$575 USD
View
Final sale: no returns
A
Retailer 4
-
$785 SGD
$614 USD
View
Retailer 5
-
$849 SGD
$664 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$965 SGD
$755 USD
View
A
Retailer 7
-
$1,102 SGD
$862 USD
View
A
Retailer 8
-
$1,221 SGD
$955 USD
View
A
Retailer 9
-
$1,301 SGD
£802 GBP
View
A
Retailer 10
-
$1,302 SGD
€970 EUR
View
A
Retailer 11
-
$1,349 SGD
ZAR 17,043 ZAR
View
B+
Retailer 12
-
$1,826 SGD
$1,428 USD
View
B+
Retailer 13
-
$1,947 SGD
$1,523 USD
View
B+
Retailer 14
-
$2,065 SGD
$1,615 USD
View
B+
Retailer 15
-
$2,557 SGD
$2,000 USD
View
B+
Retailer 16
-
$2,699 SGD
View
B+
Retailer 17
-
$2,751 SGD
$2,152 USD
View
B+
Retailer 18
-
$2,809 SGD
$2,197 USD
View
B+
Retailer 19
-
$3,294 SGD
£2,029 GBP
View
B
Retailer 20
-
$4,455 SGD
$3,485 USD
View
Most Expensive
B
Brilliant Earth
21589809A · Oct 30
$4,577 SGD
$3,580 USD
View
20 more retailers have this diamond
Prices start from $633 SGDSave up to $3,944 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+
1.91ct Round
$633 SGD