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Round|Lab Grown|IGI

1.80ct E IF Round Lab Grown Diamond

ID • E/IF • IGI LG779641877

Shape and cutting style on the report: Round brilliant

Certificate IGI LG779641877

Diamond specifications and retailer prices

From $946 SGD
$738 USD
As of October 29, 2026
Save $5,450 SGD (85%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $6,396 SGD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.8ct lab-grown round diamond

This 1.8ct lab-grown round sits in the one-and-a-half to two carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG779641877 or 779641877. Listed at 24 retailers as of October 29, 2026, with prices from $946 to $6,396, a $5,450 spread on the same certified stone. Brilliant Earth lists it at $6,396. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.80
Carat
E
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG779641877
Dimensions7.77 × 7.82 × 4.79 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
HEARTS & ARROWS 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
7.77 mm7.82 mm1.80 ctE / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG779641877
Side View
Table 58.0%Crown 34.3°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 61.4%

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 29
Current: $6,396 SGD|Low: $909 SGD|High: $6,396 SGD|Avg: $2,258 SGD|+0.2%
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
October 30, 2026
Retailer 19$946 SGD
Retailer 8$1,029 SGD
Retailer 10$1,059 SGD
Retailer 4$1,097 SGD
Retailer 11$1,097 SGD
Retailer 15$1,327 SGD
Retailer 7$1,418 SGD
Retailer 13$1,747 SGD
Retailer 2$1,755 SGD
Retailer 5$1,776 SGD
Retailer 14$2,017 SGD
Retailer 18$2,703 SGD
Retailer 16$2,730 SGD
Retailer 9$3,085 SGD
Retailer 17$3,544 SGD
Retailer 3$3,561 SGD
Retailer 6$3,690 SGD
Retailer 12$4,331 SGD
Brilliant Earth$6,396 SGD

45 data points across 19 retailers

24 retailers$946 SGD to $6,396 SGD

A
Cheapest Retailer
-
$946 SGD
$738 USD
A
Retailer 2
-
$1,029 SGD
$803 USD
View
A
Retailer 3
-
$1,059 SGD
$826 USD
View
Final sale: no returns
Retailer 4
-
$1,097 SGD
$856 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$1,097 SGD
$856 USD
View
A
Retailer 6
-
$1,280 SGD
HK$7,800 HKD
View
A
Retailer 7
-
$1,327 SGD
$1,035 USD
View
A
Retailer 8
-
$1,418 SGD
$1,106 USD
View
B+
Retailer 9
-
$1,717 SGD
$1,340 USD
View
B+
Retailer 10
-
$1,747 SGD
€1,298 EUR
View
B+
Retailer 11
-
$1,755 SGD
£1,078 GBP
View
B+
Retailer 12
-
$1,776 SGD
$1,386 USD
View
B+
Retailer 13
-
$2,017 SGD
ZAR 25,422 ZAR
View
B+
Retailer 14
-
$2,703 SGD
$2,109 USD
View
Retailer 15
-
$2,730 SGD
A$3,277 AUD
View
Price last confirmed 9 days ago
B
Retailer 16
-
$3,085 SGD
$2,407 USD
View
B
Retailer 17
-
$3,544 SGD
$2,765 USD
View
B
Retailer 18
-
$3,561 SGD
$2,778 USD
View
B
Retailer 19
-
$3,690 SGD
View
B
Retailer 20
-
$3,709 SGD
$2,894 USD
View
B
Retailer 21
-
$3,730 SGD
$2,910 USD
View
B
Retailer 22
-
$3,783 SGD
$2,951 USD
View
B
Retailer 23
-
$4,331 SGD
£2,661 GBP
View
Most Expensive
B
Brilliant Earth
19067109A · Oct 29
$6,396 SGD
$4,990 USD
View
23 more retailers have this diamond
Prices start from $946 SGDSave up to $5,450 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
1.80ct Round
$946 SGD