Round|Lab Grown|IGI

1.81ct D FL Round Lab Grown Diamond

ID • D/FL • IGI LG778645789

Shape and cutting style on the report: Round brilliant

Certificate IGI LG778645789

Diamond specifications and retailer prices

From $2,795 SGD
$2,186 USD
As of October 29, 2026
Save $3,165 SGD (53%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: $11,331 SGD at Taylor and Hart · As of October 30, 2026
View at Taylor and Hart

About this 1.81ct lab-grown round diamond

This 1.81ct 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 LG778645789 or 778645789. Listed at 21 retailers as of October 29, 2026, with a 113% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.81
Carat
D
Colour
FL
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.4°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG778645789
Dimensions7.83 × 7.87 × 4.75 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
7.83 mm7.87 mm1.81 ctD / FL
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG778645789
Side View
Table 57.0%Crown 33.4°Girdle: MediumPavilion 40.4°Culet: NoneDepth 60.5%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $5,675 SGD|Low: $2,683 SGD|High: $10,848 SGD|Avg: $5,215 SGD|+7.9%
Retailer 1
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
October 31, 2026
Retailer 16$2,795 SGD
Retailer 7$3,040 SGD
Retailer 11$3,128 SGD
Retailer 3$3,242 SGD
Retailer 6$3,323 SGD
Retailer 14$3,452 SGD
Retailer 9$4,445 SGD
Retailer 8$4,457 SGD
Retailer 15$4,628 SGD
Retailer 2$4,634 SGD
Retailer 1$5,675 SGD
Retailer 10$5,960 SGD
Retailer 13$8,220 SGD
Retailer 4$8,656 SGD
Retailer 12$8,842 SGD
Retailer 5$10,848 SGD

43 data points across 16 retailers

21 retailers$2,795 SGD to $5,960 SGD

B+
Cheapest Retailer
-
$2,795 SGD
$2,186 USD
B+
Retailer 2
-
$3,040 SGD
$2,378 USD
View
B+
Retailer 3
-
$3,128 SGD
$2,447 USD
View
Final sale: no returns
Retailer 4
-
$3,242 SGD
$2,536 USD
View
Price last confirmed 20 days ago
B+
Retailer 5
-
$3,242 SGD
$2,536 USD
View
B+
Retailer 6
-
$3,323 SGD
$2,599 USD
View
B+
Retailer 7
-
$3,452 SGD
$2,700 USD
View
B
Retailer 8
-
$3,747 SGD
HK$22,900 HKD
View
B+
Retailer 9
-
$4,445 SGD
£2,738 GBP
View
B
Retailer 10
-
$4,457 SGD
$3,486 USD
View
B
Retailer 11
-
$4,628 SGD
$3,620 USD
View
B
Retailer 12
-
$4,634 SGD
$3,625 USD
View
B
Retailer 13
-
$5,675 SGD
€4,228 EUR
View
B
Retailer 14
-
$5,960 SGD
ZAR 75,313 ZAR
View
Retailer 15
-
$8,220 SGD
$6,430 USD
View
Price under review
Retailer 16
-
$8,656 SGD
$6,771 USD
View
Price under review
Retailer 17
-
$8,842 SGD
£5,446 GBP
View
Price under review
Retailer 18
-
$9,628 SGD
$7,531 USD
View
Price under review
Retailer 19
-
$10,848 SGD
View
Price under review
Most Expensive
Taylor and Hart
YDU2Y3X · Oct 30
$11,331 SGD
$8,863 USD
View
Price under review
19 more retailers have this diamond
Prices start from $2,795 SGDSave up to $3,165 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.

B+
1.81ct Round
$2,795 SGD