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Round|Lab Grown|IGI

1.87ct D IF Round Lab Grown Diamond

ID • D/IF • IGI LG799676934

Shape and cutting style on the report: Round brilliant

Certificate IGI LG799676934

Diamond specifications and retailer prices

From $1,133 AUD
$796 USD
As of October 29, 2026
Save $7,010 AUD (86%) vs most expensive(unlock to see where)
24 retailers carry this diamond
Most expensive: $8,143 AUD at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 1.87ct lab-grown round diamond

This 1.87ct lab-grown round sits in the one-and-a-half to two carat band, graded D colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG799676934 or 799676934. Listed at 24 retailers as of October 29, 2026, with prices from $1,133 to $8,143, a $7,010 spread on the same certified stone. Brilliant Earth lists it at $8,143. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

1.87
Carat
D
Colour
IF
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG799676934
Dimensions7.90 × 7.95 × 4.84 mm
L/W Ratio1.01
Girdle conditionFaceted
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
7.90 mm7.95 mm1.87 ctD / IF
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG799676934
Side View
Table 58.0%Crown 34.1°Girdle: MediumPavilion 40.8°Culet: NoneDepth 61.0%

Caratlytics Score

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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: $8,143 AUD|Low: $1,233 AUD|High: $8,143 AUD|Avg: $2,973 AUD
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
October 30, 2026
Retailer 6$1,233 AUD
Retailer 7$1,267 AUD
Retailer 10$1,566 AUD
Retailer 5$1,668 AUD
Retailer 2$2,009 AUD
Retailer 9$2,094 AUD
Retailer 3$2,123 AUD
Retailer 8$2,415 AUD
Retailer 14$3,125 AUD
Retailer 11$3,269 AUD
Retailer 15$4,194 AUD
Retailer 12$4,356 AUD
Retailer 4$4,421 AUD
Retailer 13$4,952 AUD
Brilliant Earth$8,143 AUD

45 data points across 15 retailers

24 retailers$1,133 AUD to $8,143 AUD

A
Cheapest Retailer
-
$1,133 AUD
$796 USD
A
Retailer 2
-
$1,233 AUD
$866 USD
View
A
Retailer 3
-
$1,267 AUD
$890 USD
View
Final sale: no returns
Retailer 4
-
$1,314 AUD
$923 USD
View
Price last confirmed 13 days ago
A
Retailer 5
-
$1,314 AUD
$923 USD
View
A
Retailer 6
-
$1,531 AUD
HK$8,400 HKD
View
A
Retailer 7
-
$1,566 AUD
$1,100 USD
View
A
Retailer 8
-
$1,668 AUD
$1,172 USD
View
B+
Retailer 9
-
$2,009 AUD
£1,111 GBP
View
B+
Retailer 10
-
$2,094 AUD
€1,401 EUR
View
B+
Retailer 11
-
$2,123 AUD
$1,491 USD
View
B+
Retailer 12
-
$2,234 AUD
$1,569 USD
View
B+
Retailer 13
-
$2,415 AUD
ZAR 27,410 ZAR
View
B+
Retailer 14
-
$3,125 AUD
$2,195 USD
View
Retailer 15
-
$3,269 AUD
View
Price last confirmed 9 days ago
B
Retailer 16
-
$3,694 AUD
$2,595 USD
View
B
Retailer 17
-
$4,194 AUD
$2,946 USD
View
Retailer 18
-
$4,356 AUD
$3,060 USD
View
Price last confirmed 12 days ago
B
Retailer 19
-
$4,405 AUD
$3,095 USD
View
B
Retailer 20
-
$4,421 AUD
SGD 4,197 SGD
View
B
Retailer 21
-
$4,442 AUD
$3,120 USD
View
B
Retailer 22
-
$4,544 AUD
$3,192 USD
View
B
Retailer 23
-
$4,952 AUD
£2,739 GBP
View
Most Expensive
B
Brilliant Earth
20161132A · Oct 29
$8,143 AUD
$5,720 USD
View
23 more retailers have this diamond
Prices start from $1,133 AUDSave up to $7,010 AUD

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
1.87ct Round
$1,133 AUD