Round|Lab Grown|IGI

1.99ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG780685558

Shape and cutting style on the report: Round brilliant

Certificate IGI LG780685558

Diamond specifications and retailer prices

From $1,777 SGD
$1,390 USD
As of October 28, 2026
Save $6,801 SGD (79%) vs most expensive(unlock to see where)
23 retailers carry this diamond
Most expensive: $8,578 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.99ct lab-grown round diamond

This 1.99ct 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 LG780685558 or 780685558. Listed at 23 retailers as of October 28, 2026, with prices from $1,777 to $8,578, a $6,801 spread on the same certified stone. Brilliant Earth lists it at $8,578. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.99
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG780685558
Dimensions8.11 × 8.05 × 4.94 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
8.11 mm8.05 mm1.99 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG780685558
Side View
Table 57.0%Crown 33.7°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.2%

Caratlytics Score

How it works →
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: Oct 28
Current: $8,578 SGD|Low: $1,777 SGD|High: $8,578 SGD|Avg: $4,042 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
October 31, 2026
Retailer 5$1,777 SGD
Retailer 2$2,065 SGD
Retailer 3$2,100 SGD
Retailer 10$2,466 SGD
Retailer 6$2,583 SGD
Retailer 11$2,631 SGD
Retailer 4$3,210 SGD
Retailer 7$3,384 SGD
Retailer 12$5,047 SGD
Retailer 8$5,947 SGD
Retailer 13$6,157 SGD
Retailer 9$7,442 SGD
Brilliant Earth$8,578 SGD

44 data points across 13 retailers

23 retailers$1,777 SGD to $8,578 SGD

Retailer 1
-
$1,586 SGD
$1,241 USD
Price last confirmed 21 days ago
Retailer 2
-
$1,727 SGD
$1,351 USD
View
Price last confirmed 18 days ago
A
Retailer 3
-
$1,777 SGD
$1,390 USD
View
Final sale: no returns
Retailer 4
-
$1,841 SGD
$1,440 USD
View
Price last confirmed 18 days ago
Retailer 5
-
$1,841 SGD
$1,440 USD
View
Price last confirmed 29 days ago
B+
Retailer 6
-
$2,065 SGD
$1,615 USD
View
B+
Retailer 7
-
$2,100 SGD
$1,643 USD
View
B+
Retailer 8
-
$2,414 SGD
$1,888 USD
View
B+
Retailer 9
-
$2,466 SGD
A$2,968 AUD
View
B+
Retailer 10
-
$2,583 SGD
£1,591 GBP
View
B+
Retailer 11
-
$2,631 SGD
$2,058 USD
View
B+
Retailer 12
-
$3,210 SGD
$2,511 USD
View
B+
Retailer 13
-
$3,384 SGD
ZAR 42,766 ZAR
View
Retailer 14
-
$3,450 SGD
$2,699 USD
View
Price last confirmed 24 days ago
Retailer 15
-
$3,527 SGD
$2,759 USD
View
Price last confirmed 8 days ago
B
Retailer 16
-
$5,047 SGD
$3,948 USD
View
B
Retailer 17
-
$5,282 SGD
$4,132 USD
View
B
Retailer 18
-
$5,774 SGD
$4,517 USD
View
B
Retailer 19
-
$5,947 SGD
£3,663 GBP
View
B
Retailer 20
-
$6,157 SGD
View
B
Retailer 21
-
$6,457 SGD
$5,051 USD
View
B
Retailer 22
-
$7,442 SGD
€5,544 EUR
View
Most Expensive
B
Brilliant Earth
19705441A · Oct 29
$8,578 SGD
$6,710 USD
View
22 more retailers have this diamond
Prices start from $1,777 SGDSave up to $6,801 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
1.99ct Round
$1,777 SGD